.
1.58－1.11＝4.76＋3.21＝4.77－3.86＝3.65＋3.75＝1.27＋6.29＝6.06－5.93＝
6.98－3.77＝
7.95－2.68＝6.25＋6.81＝1.84＋2.06＝8.77＋3.31＝
8.11－5.25＝
9.61－7.97＝7.56－2.61＝9.96＋8.73＝8.96－2.44＝3.78＋5.63＝
7.9－3.66＝
8.49－8.11＝4.89－3.03＝3.99＋9.58＝
5.51＋9.41＝
6.36＋5.28＝4.74＋
7.79＝
5.16＋1.22＝
8.6－5.44＝
4.45＋
5.24＝
7.25－1.2＝
7.85－5.85＝
7.71－7＝
1.85－1.09＝
3＋4.39＝
1.7＋4.68＝
5.62－3.42＝
9.49＋4.6＝
5.52－2.89＝
2.21＋5.96＝
7.43＋7.3＝
4.6－4.07＝
3.99－3.06＝
7.85＋7.01＝
7.58＋9.51＝
3.94－1.54＝
5.23＋4.84＝
8.76－3.69＝
9.8－2.6＝
5.44＋8.38＝
9.49＋6.44＝
2.55＋5.31＝
6.3－1.93＝
9.74＋4.79＝
2.25＋4.14＝
9.47－4.03＝
6.38－4.26＝
8.07＋7.76＝
2.79＋9.2＝
9.47＋8.8＝
4.35－1.85＝
4.28－4.21＝
5.26－2.53＝
1.27＋3.85＝
9.65－4.51＝
2.28＋4.4＝
6.39－1.48＝
5.33＋7.91＝
6.49＋4.97＝
5.68＋3.26＝
1.28＋4.5＝
9.34－1.49＝
5.29－5.09＝
7.92＋9.92＝
5.86＋5.69＝
5.72－3.21＝
9.83－7.05＝
2.55＋
3.72＝
9.81－4.82＝
6.93－2.15＝
9.55－8.45＝
4.67－4.33＝
4.47＋9.36＝
6.54－1＝
5.64－4.42＝
3.36－1.77＝
5.67－5.6＝
4.49－1.06＝
9.75－8.01＝
2.06＋8.46＝
4.16＋2.74＝
5.52－1.1＝
5.81＋5.09＝
6.09－4.14＝
8.21＋9.22＝
6.91－6.16＝5.96－4.41＝
7.05－5.07＝3.12＋2.09＝
8.44－1.71＝
8.74＋4.89＝
9.52－7.99＝3.59＋8.35＝5.9＋8.9＝7.65－6.87＝7.84－2.06＝9.14＋5.26＝7.77＋5.55＝2.34＋1.06＝8.94－1.07＝1.28＋3.47＝9.21－5.67＝4.83－4.2＝4.73＋7.51＝4.88－1.05＝
7.31＋2.79＝
8.82＋4.56＝5.86－5.36＝
9.61－2.16＝
6.24－3.37＝
1.62＋1.47＝
5.32＋
6.17＝
5.29－4.85＝
7.84＋6.77＝
5.41－1.26＝
7.83－1.39＝
8.4＋2.36＝
9.49＋6.44＝
8.56＋4.49＝
6.43＋5.24＝
5.27－4.59＝
8.49＋2.82＝
4.87＋3.45＝
2.86－1.29＝
9.85－8.21＝
4.04＋9.53＝
6.62＋6.33＝
6.48－3.47＝
2.59＋5.78＝
9.21－3.91＝
3.3＋1.27＝
7.15＋9.04＝
5.15＋2.01＝
7.21＋8.84＝
6.21＋6.49＝
1.71＋6.08＝
1.58＋3.17＝
5.08－3.23＝
3.09＋6.49＝
9.77－5.61＝
7.8－6.95＝
3.24－1.11＝
5.09－1.97＝
5.31－4.98＝
1.73＋1.05＝
7.26－6.61＝
7.59＋6.17＝
2.83－1.68＝
7.45＋9.39＝
4.38－1.86＝
4.84＋4.74＝
8.56＋7.46＝
9.59－4.84＝
7.69－1.51＝
3.87＋1.71＝
8.16－2.68＝
7＋7.06＝
7.6－5.35＝
3.5－1.92＝
8.51－4.14＝
5.78－5.29＝
3.24＋2.87＝
2.23＋9.08＝
5.43＋4.23＝
6.43＋9.07＝
8.8＋5.09＝
7.14－5.75＝
3.04＋2.85＝
5.19＋2.48＝
1.37＋7.28＝
4.83－4.8＝
3.2＋8.5＝
3.2＋3.07＝
9.19＋5.04＝9.67－2.33＝5.58－2.7＝7.44＋4.54＝3.7－2.31＝2＋7.64＝
6.92＋9.91＝
7.51－4.62＝6.26－4.08＝9.51＋1.1＝8.33－1.9＝5.2＋2.53＝8.62－5.99＝7.62＋1.62＝3.41－1.44＝7.05－4.55＝1.69＋9＝9.33－2.82＝6.62－6.06＝4.83－3.18＝3.19＋9.83＝9.05＋1.64＝3.51＋8.93＝
3.93－3.84＝
2.22＋8.52＝
4.72＋
5.45＝
7.67－5.86＝
2.35＋
3.75＝
7.66－7.51＝
9.16＋2.69＝
9.89－1.99＝
8.84＋5.49＝
6.66－3.44＝
9.06－8.17＝
7.12＋4.9＝
6.05－2.98＝
3.75－2.23＝
1.18＋5.14＝
8.18－3.4＝
5.86－4.4＝
6.11＋9.29＝
7.47－5.41＝
9.37＋8.58＝
7.67－1.86＝
6.84＋9.93＝
5.2＋3.84＝
7.52－5.55＝
2.94－2.92＝
7.3－4.93＝
9.56＋9.64＝
4.08＋
5.74＝
7.95－4.03＝
2.7＋1.65＝
4.33－4.19＝
9.52－8.23＝
9.19－1.11＝
8.99＋9.4＝
6.04＋4.37＝
6.56＋2.89＝
2.18＋1.87＝
4.4＋1.5＝
7.12＋1.45＝
8.01－4.57＝
9.61＋9.53＝
4.84＋2.32＝
1.77－1.12＝
6.84－3.98＝
9.06－3.25＝
9.05－2.84＝
5.15＋3.76＝
4.1－3.57＝
8.95－5.13＝
9.79－1.37＝
7.17＋7.96＝
5.47＋3.9＝
5.55－2.29＝
5.83－1.34＝
8.1－1.33＝
2.74－2.57＝
9.67＋2.36＝
4.27－2.56＝
9.24＋2.1＝
9.95－3.13＝
5.26＋7.49＝
7.81－6.27＝
9.42＋4.85＝
9.41－6.31＝
4.7＋3.25＝
4.47＋7.17＝9.12－3.42＝8.34－3.36＝7.08－3.64＝2.46＋
5.84＝5.2＋7.63＝5.5＋1.31＝5.2－1.85＝
5.34＋7.14＝
6.21＋5.3＝
7.52－6.45＝9.98－1.25＝6.47＋7.42＝9.29－2.32＝4.82＋9.73＝8.82＋4.47＝7.78＋4.46＝2.45－2.06＝5.82＋5.86＝2.34＋6.49＝6.42＋6.72＝9.04－7.67＝9.77－3.5＝
9.21＋6＝
4.74＋2.41＝
7.43＋6.53＝
9.75－3.13＝
4.98－1.46＝
6.73－3.03＝
4.75－4.01＝
5.9＋7.76＝
8.5－2.53＝
8.88＋7.64＝
6.5＋4.25＝
5.83－1.75＝
9.77＋3.54＝
2.96＋6.16＝
7.32＋1.42＝
9.43－3.56＝
7.68－3.16＝
2.97＋2.11＝
3.7＋3.83＝
7.14－1.53＝
2.44－1.13＝
9.9－7.04＝
6.43＋9.65＝
7.86－7.16＝
7.32＋1.04＝
4.33－4.19＝
9.31＋8.58＝
3.16－1.03＝
6.85－4.39＝
2.97＋1.46＝
5.21－4.29＝
7.37＋2.83＝
5.22－4.49＝
6.84－6.08＝
5.4＋4.63＝
3.89－2.93＝
5.7－4.6＝
4.67＋2＝
7.13－6.62＝
3.74－3.15＝
7.3－2.14＝
6.83－6.6＝
6.41－4.28＝
9.82－1.59＝
8.96＋5.4＝
9.06－6.21＝
2.18＋2.76＝
2.57＋8.11＝
9.12－3.08＝
1.07＋9.79＝
5.79－5.74＝
3.01＋6.96＝
6.19＋6.77＝
3.07＋3.75＝
4.86＋1.48＝
7.31－5.41＝
3.74＋1.88＝
3.71－1.69＝
8.13－3.95＝
6.77＋
7.19＝
1.31＋
2.62＝
3.91＋
4.1＝
7.31＋6.89＝
1.54＋5.12＝
7.51＋7.09＝
7.69－1.05＝
8.81－7.15＝3.11＋1.05＝7.71－1.05＝9.36－5.66＝5.35＋9.13＝1.58＋2.5＝6.79－1.03＝9.91－5.74＝5.42＋6.51＝4.96－3.34＝2.68－1.8＝2.54＋8.33＝6.76＋6.54＝5.66－4.49＝5.02＋7.65＝8.12＋6.19＝7.24－6.67＝3.69－2.47＝7.08＋5.22＝
4.46＋9.93＝
5.21－4.55＝3.21＋1.2＝
7.57－5.97＝
2.62＋9.29＝
8.27＋9.29＝
4.19－2.08＝
4.31＋9.35＝
6.52－3.35＝
4.53＋1.82＝
9.48－4.63＝
9.87－6.15＝
6.81－1.18＝
7.65－5.26＝
9.75－3.11＝
6.12＋6.15＝
6.82＋3.37＝
5.81－1.47＝
3.46－2.92＝
6.66＋4.15＝
4.74＋4.98＝
1.16＋4.74＝
3.59＋
4.3＝
1.65＋6.46＝
4.83＋4.01＝
7.44＋6.69＝
5.88－1.04＝
3.72－2.49＝
8.81－5.76＝
4.8－4.32＝
7.35－4.47＝
3.82－3.72＝
7.02＋2.18＝
5.04＋5.76＝
4.57＋4.54＝
8.2－7.56＝
7.66＋4.2＝
9.1－8.01＝
7.19＋1.36＝
9.58－4.16＝
9.36＋2.17＝
5.13－4.87＝
7.17＋1.94＝
7.11－1.84＝
8.34－4.16＝
6.6－1.81＝
9.37－5.7＝
9.17－1.51＝
8.81＋2.12＝
2.68＋6.94＝
7.46－2.52＝
8.79＋7.12＝
6.76＋4.79＝
7.57－7.5＝
2.98＋
3.6＝
9.74＋6.63＝
1.62＋6.86＝
7.78－5.28＝
7.04－3.52＝
9.82－1.88＝
7.4＋7.22＝
7.53＋3.08＝
1.38－1.05＝
5.41＋3.86＝
9.31＋6.92＝
1.27＋3.08＝
4.45＋2.6＝
7.06＋9.46＝
.
2.18－1.81＝2.46＋4.54＝7.22－4.99＝1.05＋2.71＝7.67＋8.89＝6.66＋1.64＝6.94－1.31＝4.91－1.29＝
8.79＋6.82＝
9.2＋6.94＝9.37－7.88＝3.78＋6.38＝5.63＋6.43＝8.86＋6.97＝4.52＋9.67＝
8.61＋5.81＝
9.03＋3.42＝
7.21－2.27＝
8.91＋1.32＝3.81＋6.08＝7.4－3.33＝
7.24－5.81＝
8.44＋5.62＝8.08＋1.3＝
8.93＋7＝
8.91＋4.11＝
8.95－8.15＝
7.43－4.43＝
8.7－4.99＝
6.76＋
7.85＝
1.1＋
2.83＝
3.35＋6.08＝
6.98＋1.65＝
9.71－3.65＝
7.31＋4.24＝
2.67＋2.51＝
9.81－9.26＝
7.97＋4.76＝
9.99＋8.35＝
3.9＋3.49＝
9.34－5.88＝
7.77－2.19＝
9.83＋6.01＝
9.55－8.31＝
9.78－1.66＝
8.3－4.41＝
8.29＋5.72＝
3.04＋9.93＝
4.45－2.75＝
1.75＋7.66＝
5.91－5.13＝
7.93－3.48＝
3.14－2.65＝
5.56＋2.78＝
7.51＋7.65＝
3.35＋6.65＝
8.52－8.47＝
5.29－2.79＝
5.98－4.53＝
5.77－3.68＝
7.19＋1.36＝
3.54＋2.8＝
9.28＋5.82＝
6.44＋9.02＝
9.75－4.88＝
2.2＋1.15＝
2.62＋
3.29＝
4.27＋1.14＝
8.7－5.21＝
4.19－3.16＝
4.17－3.02＝
8.88＋7.59＝
6.38＋
7.37＝
1.79＋7.12＝
1.13＋8.84＝
9.94＋4.62＝
1.35＋4.94＝
1.12＋
2.72＝
1.68＋2＝
1.64＋8.93＝
5.12－1.76＝
5.3＋4.74＝
6.42－4.29＝
8.95－4.7＝
9.19－1.06＝
3.69－3.03＝
4.59－1.68＝
4.14－1.21＝
6.69＋1.45＝
2.92＋7.45＝
7.67＋2.78＝
4.75－2.51＝
.
9.46＋3.49＝
5.63－3.11＝
6.96＋2.72＝8.39－
7.86＝7.99－6.51＝9.88＋1.49＝4.36＋6.65＝4.21－4.14＝4.92－2.66＝
6.4－5.05＝
7.76－3.12＝3.23＋4.46＝
7.61－5.43＝
8.31＋6.75＝6.09－2.65＝4.86－2.49＝8.61－2.94＝1.21＋9.49＝
7.36＋8.75＝
8.95＋7.49＝7.19－2.35＝7.92－1.23＝9.08－1.42＝8.23－4.16＝
8.32－2.54＝
6.43＋1.32＝
7.48－1.93＝
4.41＋9.01＝
4.35＋4.49＝
5.66－4.35＝
9.5－3.62＝
7－5.71＝
6.26－5.55＝
2.12＋8.94＝
7.89＋8＝
7.64－2.41＝
3.89＋5.16＝
9.71－7.39＝
4.6－3.51＝
9.54－8.93＝
7.95＋3.31＝
9.15－9.06＝
5.04－2.9＝
5.58＋4.56＝
7.23－6.4＝
1.08＋7.69＝
2.33－1.36＝
4.13－3.13＝
7.37－1.11＝
4.9－1.49＝
9.9－3.99＝
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小学四年级小数加减法练习题 一、小数加减法口算题 8.60-6.39= 8.49+6.71= 8.06+1.37= 2.91+5.54= 2.44+4.86= 17.40-4.04= 0.45+5.47= 7.68-6.50= 3.83+9.45= 3.90-2.76= 6.01+5.39= 2.98+3.26= 6.97-5.97= 8.25- 4.64= 5.82-4.73= 8.78-0.52= 1.27+0.31= 8.42-7.04= 1 6.76+6.61= 0.41+0.95= 4.15+7.08= 2.59+9.10= 3.51+9.00= 4.54+2.55= 8.70+1.16= 1.31+ 5.61= 7.21-0.77= 8.64-7.85= 8.68+0.84= 2.62+3.19= 5.93-1.20= 3.66+5.90= 6.14-2.01= 5.58+0.13= 5.15-4.79= 5.29+6.33= 5.86-1.95= 3.79-3.47= 8.89-0.20= 7.42+9.92= 3.58-2.87= 7.31-2.51= 8.81-5.75= 6.67-2.72= 3.04+5.71= 1.73+ 4.32= 4.47+9.24= 8.53+3.94= 8.36-3.72= 6.78-1.84= 6.35-2.83= 4.36+7.50= 7.57+6.82= 5.18+2.34= 8.74- 6.93= 7.96+2.29= 4.58+5.79= 1.05+9.02= 4.30-4.19= 4.94-2.06= 7.93-4.75= 6.03-2.94= 4.62+3.02= 9.32+3.40= 5.43+3.23= 3.55+5.33= 8.21-4.90= 2.38+2.40= 9.28+1.69= 6.89-0.88= 4.97+7.29= 3.34+4.51= 6.29+0.67= 9.60+0.73= 2.23+5.50= 9.81-0.09= 2.80+6.46= 7.74+1.48= 4.22-2.66= 8.28+7.36= 7.48-6.52= 4.64-3.25= 5.62+2.82= 6.63+7.16= 5.94-0.36= 8.80+7.97= 7.87+9.72= 8.76+0.75= 7.37-4.92= 7.52-1.82= 3.42+6.99= 4.06+4.85= 7.55+7.05= 9.40-8.83= 7.41-2.14= 2.53+4.77= 8.23-2.35= 4.45+6.35= 1.00+4.02= 5.20-1.50=
小数加减法口算练习题
6.54+0.58= 54.49-22.5= 23.5+21.35= 9.36+43.56= 16.65+18.87= 0.99+24.85= 9.45-6.61= 85.69-48.58= 45.46-26.57= 64.19-29.57= 33.84+16.5= 3.85+61.18= 35.65-19.9= 6.49-4.81= 35.4-24.58= 52.65+9.25= 21.65+4.05= 26.65-15.24= 56.56-12.87= 9.08-1.28= 64.25-52.73=
8.43+8.81= 26.34-15.24= 17.38+15.25= 16.68-9.54= 54.63-42.14= 13.24+8.64= 16.25-7.94= 63.43-18.18= 16.36+56.16= 41.98+18.24= 45.52-22.18= 69.52-31.48= 6.84-5.73= 0.97+6.13= 5.03-2.90= 4.9-0.85= 2.13+6.89= 1.72+ 3.6= 17.2-0.36= 5.40- 4.86= 11.6-9.23=
9.25+2.25= 4.22+8.46= 5.63+1.25= 9.36-1.59= 5.63-5.21= 4.65-1.15= 7.65-4.19= 8.88-2.69= 0.72+0.91= 0.83+0.68= 8.24+3.76= 4.12-3.8= 14.3+0.78= 1.3+8.56= 0.8-0.55= 4-0.04= 1.2-0.03= 3.5+3.05= 0.8-0.45= 0.78+2.2= 5.2-0.08=
四年级下册小数加减法口算题 姓名：班别： 8.60-6.39= 8.49+6.71= 8.06+1.37= 2.91+5.54= 2.44+4.86= 17.40-4.04= 0.45+5.47= 7.68-6.50= 3.83+9.45= 3.90-2.76= 6.01+5.39= 2.98+3.26= 6.97-5.97= 8.25-4.64= 5.82-4.73= 8.78-0.52= 1.27+0.31= 8.42-7.04= 16.76+6.61= 0.41+0.95= 4.15+7.08= 2.59+9.10= 3.51+9.00= 4.54+2.55= 8.70+1.16= 1.31+5.61= 7.21-0.77= 8.64-7.85= 8.68+0.84= 2.62+3.19= 5.93-1.20= 3.66+5.90= 6.14-2.01= 5.58+0.13= 5.15-4.79= 5.29+6.33= 5.86-1.95= 3.79-3.47= 8.89-0.20= 7.42+9.92= 3.58-2.87= 7.31-2.51= 8.81-5.75= 6.67-2.72= 3.04+5.71= 1.73+4.32= 4.47+9.24= 8.53+3.94= 8.36-3.72= 6.78-1.84= 6.35-2.83= 4.36+ 7.50= 7.57+6.82= 5.18+2.34= 8.74-6.93= 7.96+2.29= 4.58+5.79= 1.05+9.02= 4.30-4.19= 4.94-2.06= 7.93-4.75= 6.03-2.94= 4.62+3.02= 9.32+3.40= 5.43+3.23= 3.55+5.33= 8.21- 4.90= 2.38+2.40= 9.28+1.69= 6.89-0.88= 4.97+7.29= 3.34+4.51= 6.29+0.67= 9.60+0.73= 2.23+ 5.50= 9.81-0.09= 2.80+ 6.46= 7.74+1.48= 4.22-2.66= 8.28+7.36= 7.48-6.52= 4.64-3.25= 5.62+2.82= 6.63+7.16= 5.94-0.36= 8.80+7.97= 7.87+9.72= 8.76+0.75= 7.37-4.92= 7.52-1.82= 3.42+6.99= 4.06+4.85= 7.55+7.05= 9.40-8.83= 7.41-2.14= 2.53+4.77= 8.23-2.35= 4.45+6.35= 1.00+4.02= 5.20-1.50=
0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09= 0.2+0.78= 0.6×0.7= 10.2+0.02= 0.15+0.7= 6.7+2.5= 10.2+0.2= 9.2-6.1= 8.5÷5= 3.2-3.2= 3.7+2.3= 2.5×100= 3.12-0.32= 2+2.8= 3.8-2.9= 0.35+0.5= 0.35+0.63= 3.5÷70= 3.1+3= 3.8+0.38= 7.5÷25= 3.8+1= 0.95-0.05= 4.5+7.8= 3.1+0.3= 3+0.3= 6.3÷9= 4.5-0.4= 9.5-5= 1.1×9= 9.53-1.53= 9.5-0.5= 3.5+ 2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 4.8÷40= 53÷100= 5.1+2.3= 1.25×80= 0.78÷10= 0.52+0.4= 7×1.2= 0.25×100= 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 0.5×1000= 7.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000= 2.7+0.4= 0.72-0.42= 0×10.5= 0.92-0.2= 3.5+4.8= 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6= 0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3= 8.8-6.7= 1-0.95= 3.4-2.8= 0.96-0.35=
五年级数学小数加减法计算题（简便计算） 13.6＋7.84＋6.4 38.7－14.47－5.53 8.5＋9.9 1.31＋4.7＋0.69＋5.3 1.25+3.7+0.75 5.6-0.18-1.2 7.08+16+8.2 10+0.009+0.191 3.75-0.75-1.25 80-19.4-8.09-3.51 5.6+0.5-5.6+0.5 7.2+5.6-2.8 34.5-（17.2+4.5） 27.3+73.2+72.7 585+189+215 5.85－1.75－ 0.25 768－274－126 5.85+1.89+2.15 24.8+14.6+15.4 42.5－22.17－7.83 3.8+1.37+6.2+12.63 45.55－（6.82＋15.55） 34.52－17.87－12.23
4.57+3.17+3.43+ 5.83 23.75－8.64－3.36 17.83－9.5－7.83－0.5 3.45＋8.7＋16.55＋1.3 8.54－5.96 27.38－5.34＋2.62－4.66 21.63－（8.5＋9.63） 45.55-（6.82＋15.55） 34.52－17.87－12.23 4.7+3.17+3.43+ 5.83 23.75－8.64－3.36 17.83－9.5－7.83－0.5 3.45＋8.7＋1 6.55＋1.3 2 7.38－5.34＋2.62－4.66 21.63－（ 8.5＋ 9.63）
4.32－（1.26＋2.34） 2.5＋3.25＋0.75＋7.5 2.53+1.79+ 3.47 10.08－ 4.79－1.21 17.05－(2.05－6.4) 3.73+5.28+ 4.27+4.72 103 +10017+100029 108米－1008米－1000 8米 3元5角+2元5角－1元8角3分 9.4+0.3-6.4 15.25+4.72+4.75+5.28 34.82－(4.82+15.2) 12.7-4.8-5.2 3.1+25.78+6.9 73.8－1.64－13.8－5.36 45.55－（6.82＋15.55） 34.52－17.87－12.23 4.57+3.17+3.43+ 5.83 23.75－8.64－3.36 17.83－9.5－7.83－0.5
1.5-0.5= 1-0.9= 2.3+0.6= 0.9+0.8= 1-0.3= 3.4-1.5= 1.9-0.9= 3.5-2.4= 0.36+0.64= 3.5+ 4.2= 6-0.5= 2.7-0.4= 0.8+ 0.7= 4.5-3= 7.8-1.1= 1.5 －0.5= 1－0.9= 2.3 ＋0.6= 0.9 ＋0.8= 1.9 －0.9= 3.5 - 2.4= 0.36 ＋0.64= 0.96 －0.3= 8.65 －6.31= 2.5+0.9= 1.2-0.5= 7.8+1.6= 0.39+0.15= 3-1.4= 4.7-2.8= 7.2-6.45= 15-0.48= 6.77-1.78= 3.45+5.75= 3.40+58.20= 49.80+49.20= 111.6-99= 7.8+21.02= 5.6-1.42= 12.5+0.9= 4.5-2.83= 3.75+2.25= 2.98+0.56= 12.53+4.67= 6.07+4.89= 5.64-1.78= 10.2-6.45= 5-0.41= 0.3+1.5= 2.5+9.8= 7.6+1.3= 4.4+ 5.7= 2.3+7.7= 5.7+3.1= 7.69+2.31= 9.16+2.64= 5.68+12.22= 16.8+16.5= 26.3+14.6= 6.9+3.4= 52.3+64.7= 12.75-5.3= 8.24+16.93= 0.75 ＋0.4= 20＋0.78= 4.8 ＋4.2= 5.7 －3= 4.9 －1.7= 1.34 ＋ 0.8= 2－ 0.75= 8.7 ＋0.03= 0.2 － 0.09= 8.5 ＋ 2.5= 2.4 － 1.4= 0.68 ＋0.42= 7.82 －7.2= 2＋9.1= 0.48 ＋0.52= 8.1 － 5.1= 0.78 －0.24= 0.8 ＋ 0.18= 0.89 －0.25= 1－0.98= 0.9 ＋ 0.1= 1－0.8= 4.5 － 4= 5.6 ＋ 4= 10－4.4= 6＋6.6= 9.5 － 2.7= 1－0.55= 3.7 ＋ 4.8= 7＋3.3= 3．25＋0．75= 2.7 ＋ 3.9=
3.4－1.4= 7.82－7.2= 2.19＋9.1= 10.1－0.89= 0.68＋0.42= 8.1－5.1= 0.728－0.24= 0.8＋0.18= 0.89－0.25= 1－0.98= 0.048＋0.52= 19.9+11.1= 187÷1000= 1+3.89= 0.081×10= 75÷10= 0.96÷0.8= 0.8×7＝ 1.5×7＝ 1.32×8＝ 0.7×8＝ 10.3×2＝ 5×0.6＝0.9×0.3＝ 3.5×0.2＝ 2.01×0＝ 10×0.05＝ 0.13×7＝ 0.21×100＝ 0.7×4＝ 430-250= 0.17+0.06= 1.02-0.09= 7200÷800= 0.17+0.6= 0.83-0.6= 17×300= 0.98-0.09= 0.2+0.78= 600×700= 10.2+0.02= 0.15+0.7= 670+250= 10.2+0.2= 9.2-6= 8500÷500= 3.2-3.2= 3.7+2.3= 25×100= 3.2-0.32= 2+2.8= 380-290= 0.35+0.5= 0.35+0.63= 3500÷70= 3.1+3= 3.8+0.38= 7500÷250= 3.8+1= 0.95-0.05= 450+780= 3.1+0.3= 3+0.3= 630÷9= 4.5-0.4= 9.5-5= 330×9= 9.53-1.53= 9.5-0.5= 1
3.5+2.4= 1-0.95= 0.3+0.27= 0.47+0.13= 4.5+4= 4-0.6= 0.95+0.05= 2.5+3.2= 0.74+0.16= 23×100= 9.8-4.8= 480÷40= 0.53÷100= 5.1+2.3= 125×80= 0.078÷10= 0.52+0.4= 70×12= 0.25×100= 3.4-2.8= 0.6-0.37= 0.052×10= 10+0.08= 1-0.75= 0.5×1000= 7.82+0.3= 13.5+6.5= 3.05×100= 1.2-0.8= 21.6-12.6= 63÷100= 0.83-0.5= 0.76+0.14= 80÷1000= 2.7+0.4= 0.72-0.43= 30×100= 0.92-0.2= 3.5+ 4.8= 3.5+2.4= 5+0.07= 1-0.61= 0.47+0.23= 0.25+0.75= 3.7+0.33= 0.51+0.33= 1-0.6= 8-4.6= 5.8-3.6= 0.52+0.4= 6.45+5.5= 4.5-1.3= 3.4-2.8= 9.53-1.53= 8.8-6.7= 10+0.08= 9.5-7.3= 7.2+0.8= 7.82+0.3= 8.8-6.7= 9.5-7.3= 1-0.95= 3.4-2.8= 0.96-0.35= 9.53-1.53= 0.25+0.75= 1.2-0.8= 0.83-0.5= 2.7+0= 2
1.5-0.5= 1-0.9= 2.3＋0.6= 0.9＋0.8= 1-0.3= 3.4-1.5= 1.9-0.9= 3.5- 2.4= 0.36+0.64= 3.5+ 4.2= 6 -0.5= 2.7-0.4= 0.8+ 0.7= 4.5-3= 7.8-1.1= 1.5－0.5= 1－0.9= 2.3＋0.6= 0.9＋0.8= 1.9－0.9= 3.5 -2.4= 0.36＋0.64= 0.96－0.3= 8.65－6.31= 2.5+0.9= 1.2-0.5= 7.8+1.6= 0.39+0.15= 3-1.4= 4.7-2.8= 7.2-6.45= 15-0.48= 6.77-1.78= 3.45+5.75= 3.40+58.20= 49.80+49.20= 111.6-99= 7.8+21.02= 5.6-1.42= 12.5+0.9= 4.5-2.83= 3.75+2.25= 2.98+0.56= 12.53+4.67= 6.07+4.89= 5.64-1.78= 10.2- 6.45= 5-0.41=0.3+1.5= 2.5+9.8= 7.6+1.3= 4.4+5.7= 2.3+7.7= 5.7+ 3.1= 7.69+2.31= 9.16+2.64= 5.68+12.22= 16.8+16.5= 26.3+14.6= 6.9+3.4= 52.3+64.7= 12.75-5.3= 8.24+16.93=
0.75＋0.4= 20＋0.78= 4.8＋4.2= 5.7－3= 4.9－1.7= 1.34＋0.8= 2－0.75= 8.7＋0.03= 0.2－0.09= 8.5＋2.5= 2.4－1.4= 0.68＋0.42= 7.82－7.2= 2＋9.1= 0.48＋0.52= 8.1－5.1= 0.78－0.24= 0.8＋0.18= 0.89－0.25= 1－0.98= 0.9＋0.1= 1－0.8= 4.5－4= 5.6＋4= 10－4.4= 6＋6.6= 9.5－2.7= 1－0.55= 3.7＋4.8= 7＋3.3= 3．25＋0．75= 2.7＋3.9= 0．7＋0．9= 0.9＋1= 14．6－0．4= 10－0．1= 14＋0．78= 3＋2.7= 5－0．08= 1．64＋2．35= 1．1－1= 8．34－6．22= 1.3＋4.3= 7.2＋6.9= 9.3－8.8= 4.4＋15.99= 19.8－5.6= 96.3－56.2 = 79.2＋56.8= 1.9＋25.793= 88－69.21= 136.5－105= 73.4+52.1= 93.1-20.9= 63.1-11= 0.33+9.8= 7.8+6.9= 0.2+2.7= 5.6+4.4= 9.4+0.06= 0.7+0.4= 0.5－0.45= 10－0.1= 1.8－0.9= 1 2.6－1.2= 17+0.33= 1.01+0.6=
4.7＋3.1＝4.7－3.8＝3.6＋3.7＝1.7＋6.9＝6.6－ 5.93＝ 6.8－3.77＝ 7.5－2.68＝6.5＋6.81＝1.8＋2.06＝8.7＋3.31＝ 8.11－5.2＝ 9.61－7.7＝7.56－2.6＝9.906＋8.73＝8.96－2.404＝3.782＋5.63＝7.9－3.666＝4.89－3.03＝ 3.99＋9.58＝ 5.51＋9.41＝ 6.36＋5.28＝ 4.74＋7.79＝ 5.1＋1.2＝ 8.6－5.4＝ 4.4＋ 5.4＝ 7.2－1.2＝ 7.8－5.5＝ 7.1－6.7＝ 1.5－1.09＝ 3＋4.39＝ 1.7＋4.68＝ 5.2－3.42＝ 9.4＋4.6＝ 5.52－2.8＝ 7.43＋7.3＝ 4.6－4.07＝ 3.99－3.06＝ 7.85＋7.501＝ 7.538＋9.51＝ 3.94－1.54＝ 5.23＋4.845＝ 8.76－3.69＝ 9.8－2.6＝ 5.44＋8.38＝ 9.49＋6.44＝ 2.5＋5.3＝ 6.3－1.9＝ 9.7＋4.9＝ 2.2＋4.4＝ 9.4－4.3＝ 6.3－4.26＝ 2.9＋9.2＝ 9.4＋8.8＝ 4.5－1.85＝ 4.28－4.21＝ 5.26－2.5＝ 1.27＋3.5＝ 9.65－4.5＝ 2.208＋4.4＝ 6.339－1.48＝ 5.331＋7.91＝ 6.49＋4.97＝ 5.68＋3.216＝ 1.28＋4.5＝ 9.34－1.49＝ 5.29－5.09＝ 7.92＋9.92＝ 5.86＋5.69＝
9.3－7.5＝2.5＋3.7＝9.8－4.2＝6.3－2.5＝9.5－8.45＝4.7－4.33＝4.7＋9.36＝6.54－1＝ 5.6－4.42＝3.36－1.77＝5.67－5.6＝4.49－1.6＝9.75－8.01＝2.06＋8.46＝ 4.16＋2.764＝ 5.52－1.1＝5.81＋5.09＝8.21＋9.22＝ 7.53＋4.83＝ 6.91－6.16＝ 5.6－4.241＝ 7.05－5.075＝ 3.12＋2.09＝ 8.44－1.71＝ 8.74＋4.89＝ 9.52－7.99＝ 3.59＋8.35＝ 5.9＋8.9＝ 7.65－6.87＝ 7.84－2.06＝ 9.14＋5.26＝ 7.77＋5.55＝ 2.34＋1.06＝ 8.94－1.07＝ 9.21－5.67＝ 4.83－4.2＝ 4.73＋7.51＝ 4.88－1.05＝ 7.31＋2.79＝ 8.82＋4.56＝ 6－3.93＝ 5.86－5.36＝ 9.61－2.16＝ 6.24－3.37＝ 1.62＋1.47＝ 5.32＋ 6.17＝ 5.29－4.85＝ 7.84＋6.77＝ 5.41－1.26＝ 7.83－1.39＝ 8.4＋2.36＝ 8.56＋4.49＝ 6.43＋5.24＝ 5.27－4.59＝ 8.49＋2.82＝ 4.87＋3.45＝ 2.86－1.29＝ 9.85－8.21＝ 4.04＋9.53＝ 6.62＋6.33＝ 6.48－3.47＝ 2.59＋5.78＝ 7.03－4.75＝ 9.21－3.91＝ 3.3＋1.27＝ 7.15＋9.04＝ 5.15＋2.01＝ 7.21＋8.84＝
8.44－1.71＝ 8.74＋4.89＝ 9.52－7.99＝3.59＋8.35＝5.9＋8.9＝7.65－6.87＝7.84－2.06＝9.14＋5.26＝7.77＋5.55＝2.34＋1.06＝8.94－1.07＝1.28＋3.47＝9.21－5.67＝4.83－4.2＝4.73＋7.51＝4.88－1.05＝ 7.31＋2.79＝ 8.82＋4.56＝6－3.93＝5.86－5.36＝9.61－2.16＝1.62＋1.47＝ 5.32＋ 6.17＝ 5.29－4.85＝ 7.84＋6.77＝ 5.41－1.26＝ 7.83－1.39＝ 8.4＋2.36＝ 9.49＋6.44＝ 8.56＋4.49＝ 6.43＋5.24＝ 5.27－4.59＝ 8.49＋2.82＝ 4.87＋3.45＝ 2.86－1.29＝ 9.85－8.21＝ 4.04＋9.53＝ 6.62＋6.33＝ 6.48－3.47＝ 2.59＋5.78＝ 7.03－4.75＝ 9.21－3.91＝ 7.15＋9.04＝ 5.15＋2.01＝ 7.21＋8.84＝ 6.21＋6.49＝ 1.71＋6.08＝ 1.58＋3.17＝ 5.08－3.23＝ 3.09＋6.49＝ 9.77－5.61＝ 7.8－6.95＝ 3.24－1.11＝ 5.09－1.97＝ 5.31－4.98＝ 1.73＋1.05＝ 7.26－6.61＝ 7.59＋6.17＝ 2.83－1.68＝ 7.45＋9.39＝ 4.38－1.86＝ 4.84＋4.74＝ 7.05－5.05＝ 9.59－4.84＝ 7.69－1.51＝ 3.87＋1.71＝ 8.16－2.68＝ 7＋7.06＝ 7.6－5.35＝ 3.5－1.92＝ 8.51－4.14＝ 5.78－5.29＝ 3.24＋2.87＝ 2.23＋9.08＝ 5.43＋4.23＝ 6.43＋9.07＝ 8.8＋5.09＝ 7.14－5.75＝ 3.04＋2.85＝ 5.19＋2.48＝ 1.37＋7.28＝ 4.83－4.8＝ 3.2＋8.5＝ 3.2＋3.07＝
8.60-6.39= 8.49+6.71= 8.06+1.37= 2.91+5.54= 2.44+4.86= 17.40-4.04= 0.45+5.47= 7.68-6.50= 3.83+9.45= 3.90-2.76= 6.01+5.39= 2.98+3.26= 6.97-5.97= 8.25- 4.64= 5.82-4.73= 8.78-0.52= 1.27+0.31= 8.42-7.04= 1 6.76+6.61= 0.41+0.95= 4.15+7.08= 2.59+9.10= 3.51+9.00= 4.54+2.55= 8.70+1.16= 1.31+ 5.61= 7.21-0.77= 8.64-7.85= 8.68+0.84= 2.62+3.19= 5.93-1.20= 3.66+5.90= 6.14-2.01= 5.58+0.13= 5.15-4.79= 5.29+6.33= 5.86-1.95= 3.79-3.47= 8.89-0.20= 7.42+9.92= 3.58-2.87= 7.31-2.51= 8.81-5.75= 6.67-2.72= 3.04+5.71= 1.73+ 4.32= 4.47+9.24= 8.53+3.94= 8.36-3.72= 6.78-1.84= 6.35-2.83= 4.36+7.50= 7.57+6.82= 5.18+2.34= 8.74- 6.93= 7.96+2.29= 4.58+5.79= 1.05+9.02= 4.30-4.19= 4.94-2.06= 7.93-4.75= 6.03-2.94= 4.62+3.02= 9.32+3.40= 5.43+3.23= 3.55+5.33= 8.21-4.90= 2.38+2.40= 9.28+1.69= 6.89-0.88= 4.97+7.29= 3.34+4.51= 6.29+0.67= 9.60+0.73= 2.23+5.50= 9.81-0.09= 2.80+6.46= 7.74+1.48= 4.22-2.66= 8.28+7.36= 7.48-6.52= 4.64-3.25= 5.62+2.82= 6.63+7.16= 5.94-0.36= 8.80+7.97= 7.87+9.72= 8.76+0.75= 7.37-4.92= 7.52-1.82= 3.42+6.99= 4.06+4.85= 7.55+7.05= 9.40-8.83= 7.41-2.14= 2.53+4.77= 8.23-2.35= 4.45+6.35= 1.00+4.02= 5.20-1.50=
1、口算。 0.7＋0.9= 0.8＋0.6= 8.24＋3.76= 4.1－3.8= 14＋0.78= 14.6－0.34= 1.3＋8.56= 0.8－0.55= 4－0.04= 1－0.03= 30.5＋3.05= 0.8－0.45= 0.78＋2.2= 5－0.08= 3.25＋0.75= 10－0.1= 1.5－0.5＝1－0.9＝ 2.3＋0.6＝0.9＋0.8＝ 1.9－0.9= 3.5- 2.4= 0.36＋0.64＝0.96－0.3 3.5+ 4.2= 6 -0.5= 2.7-0.4= 1-0.3= 0.8+ 0.7= 4.5-3= 7.8-1.1= 3.4-1.5= 1.5－0.5＝1－0.9＝ 2.3＋0.6＝0.9＋0.8＝ 1.9－0.9= 3.5 - 2.4= 0.36＋0.64＝0.96－0.3= 1.5－0.5＝1－0.9＝2.3＋0.6＝0.9＋0.8＝ 1.9－0.9= 2、计算下列各题 8.65－6.31= 10－7.64= 13.6＋8.46= 0.99＋1.1= 1.23+6.52= 5.32-0.93= 6.35-5.23= 1.23+5.69= 1.26+5.21= 0.96-0.23= 7.26-4.93= 2.16-0.23= 9.28+7.32= 5.2-0.9= 2.65+9.32= 4.63+8.92= 7.65-6.23= 8.28+4.75= 9.23+5.45= 6.23-4.53= 6.52+2.63= 4.62+8.95= 7.24+6.21= 8.52+4.65= 10－ 3.65＝ 3.2＋1.73＝18.7＋3.14＝23.5－2.8＝3、脱式计算，能简便的要简便简便计算。（注意书写整洁） 45.55-（6.82＋15.55）34.52－17.87－12.23 3.6－1.28＋3.09 4.32－（1.26＋2.34）2.5＋3.25＋0.75＋7.5 4.57+3.17+3.43+ 5.83 23.75－8.64－3.36 17.83－9.5－7.83－0.5 3.45＋8.7＋1 6.55＋1.3 8.54－5.96 27.38－5.34＋2.62－4.66 21.63－（8.5＋9.63）3.6－1.28＋3.09 4.32－（1.26＋2.34）2.5＋3.25＋0.75＋7.5 4、列式计算：甲数是15.24，比乙数多7.6，乙数是多少？2、3．58加上7.08与5.1的差，和是多少？ 5、解决问题： 地球表面积是5.1亿平方千米，其中3.62亿平方千米是海洋面积，其余的是陆地面积，海洋面积比陆地面积多多少亿平方千米？ 小红用20元钱买文具，买钢笔用去6.7元，买文具盒用去9.8元，还剩下多少钱？ 爸爸用两条长度分别是1.27米、1.35米的绳子接起来捆报纸。接口处共用去绳子0.25米，接好后的绳子有多长？ 一桶油连桶共重12.65千克，用去一半后，连桶还重6.85千克，原来的桶里有油多少千克？ 学校举行跳高比赛，小华跳了1.05米，小明跳了1.12米，小兵跳了1.21米，小春跳了1.1米。请把他们的成绩按名次从高到低排列出来。 小虎早上从家到学校上学，要走1.3千米，他走了0.3千米后发现没有带数学作业本，又回家去取。这样他比平时上学多走了多少千米？ 小虎给妹妹2.45元钱后，妹妹还是比他少0.24元。原来妹妹比小虎少多少钱？ 小虎给妹妹2.45元钱后，妹妹还是比他多0.24元。原来妹妹比小虎少多少钱？ 一瓶油连瓶重3.4千克，用去一半后，连瓶还重1.9千克。原来有油多少千克？瓶重多少千克？ 乙地在甲、丙两地正中间，一辆汽车从甲出发行48.5千米后离乙还有14.5千米，这时汽车离丙地还有多少千米？ 某人买一件物品，付给营业员50元，营业员把这件物品标价的小数点看错了一位，找给他46.75元，他说找多了。这件物品的标价是多少元？实际要找回多少钱？
小数混合运算专项训练 1、解方程。 （1）5x＝450 （2）12（6－x）＝42 （3）1.2×6+4x＝12 （4）8.5x－x＝22.5 2、用简便方法计算。 （1）0.25 ×3.2×12.5 （2）36×10.1 （3）0.25×44 （4）22.2×4+17.8×4 3、用脱式计算。 （1）2.6+1.4×1.5－1.5 （2）（37－3.6÷4.8）÷12.5（3）2.6+2.4×（1.4－1.05）（4）15.6÷16×（0.25+1.25）30.8÷[14-(9.85+1.07)] [60-(9.5+28.9)]÷0.18 2.881÷0.43-0.24× 3.5 20×[(2.44-1.8)÷0.4+0.15]
28-(3.4+1.25×2.4) 2.55×7.1+2.45×7.1 777×9+1111×3 0.8×[15.5-(3.21+5.79)] (31.8+3.2×4) ÷ 5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 36.25÷4.25×9.9 5180－705×6 24÷2.4－2.5×0.8 (4121+2389)÷7 671×15-974 469×12+1492 19.4×6.1×2.3 5.67×0.2-0.62 18.1×0.92+3.93 0.4×0.7×0.25
0.78+5.436+1 4. 8× 5÷4+1÷4 9. 9x5÷6+5÷6 10. 3÷4x8÷9-1÷3 14.31x5÷6-5÷6 16. 5÷9x18-14x2÷7 20.3x2÷9+1÷3 35. 95÷（64-45）36.178-145÷5×6+42 7.2÷0.8-1.2×5 6.5×（4.8-1.2×4）28-(3.4+1.25×2.4) 2.55× 7.1+2.45×7.1 777×9+1111×3 （31.8+3.2×4）÷5 31.5×4÷(6+3) 0.64×25×7.8+2.2 2÷2.5+2.5÷2 194－64.8÷1.8×0.9 36.72÷4.25×9.9 5180－705×6 24÷2.4－2.5×0.8
1.5-0.5= 1-0.9= 2.3+0.6= 0.9+0.8= 1-0.3= 3.4-1.5= 1.9-0.9= 3.5-2.4= 0.36+0.64= 3.5+ 4.2= 6-0.5= 2.7-0.4= 0.8+ 0.7= 4.5-3= 7.8-1.1= 1.5－0.5= 1－0.9= 2.3＋0.6= 0.9＋0.8= 1.9－0.9= 3.5 -2.4= 0.36＋0.64= 0.96－0.3= 8.65－6.31= 2.5+0.9= 1.2-0.5= 7.8+1.6= 0.39+0.15= 3-1.4= 4.7-2.8= 7.2-6.45= 15-0.48= 6.77-1.78= 3.45+5.75= 3.40+58.20= 49.80+49.20= 111.6-99= 7.8+21.02= 5.6-1.42= 12.5+0.9= 4.5-2.83= 3.75+2.25= 2.98+0.56= 12.53+4.67= 6.07+4.89= 5.64-1.78= 10.2- 6.45= 5-0.41= 0.3+1.5= 2.5+9.8= 7.6+1.3= 4.4+5.7= 2.3+7.7= 5.7+3.1= 7.69+2.31= 9.16+2.64= 5.68+12.22= 16.8+16.5= 26.3+14.6= 6.9+3.4= 52.3+64.7= 12.75-5.3= 8.24+16.93= 0.75＋0.4= 20＋0.78= 4.8＋4.2= 5.7－3= 4.9－1.7= 1.34＋0.8= 2－0.75= 8.7＋0.03= 0.2－0.09= 8.5＋2.5= 2.4－1.4= 0.68＋0.42= 7.82－7.2= 2＋9.1= 0.48＋0.52= 8.1－5.1= 0.78－0.24= 0.8＋0.18= 0.89－0.25= 1－0.98= 0.9＋0.1= 1－0.8= 4.5－4= 5.6＋4= 10－4.4= 6＋ 6.6= 9.5－2.7= 1－0.55=
06＋8.73 ＝ 5.2－3.42 ＝9.4－4.3 ＝ 5.86＋5.69 ＝8.96－2.404 ＝9.4＋4.6 ＝ 6.3－4.26 ＝ 5.7－3.2 ＝3.782 ＋5.63 ＝ 5.52－2.8＝8.7＋7.76 ＝9.3－7.5 ＝ 7.9－3.666 ＝ 2.21＋5.6＝ 2.9＋9.2 ＝ 2.5＋3.7 ＝ 8.459 －8.11 ＝7.43＋7.3＝9.4＋8.8 ＝9.8－4.2 ＝4.89－3.03 ＝ 4.6－4.07＝ 4.5－1.85 ＝ 6.3－2.5 ＝3.99＋9.58 ＝ 3.99－3.06 ＝ 4.28－4.21 ＝9.5－8.45 ＝ 5.51＋9.41 ＝7.85＋7.501 ＝ 5.26－2.5 ＝ 4.7－4.33 ＝ 6.36＋5.28 ＝ 7.538 ＋9.51 ＝ 1.27＋3.5 ＝ 4.7＋9.36 ＝ 4.74＋7.79 ＝ 3.94－1.54 ＝9.65－4.5 ＝ 6.54－1＝ 5.1＋1.2 ＝ 5.23＋4.845 ＝ 2.208 ＋4.4＝ 5.6－4.42＝8.6－5.4 ＝8.76－3.69 ＝ 6.339 －1.48 ＝ 3.36－1.77 ＝4.4＋5.4 ＝9.8－2.6 ＝ 5.331 ＋ 7.91 ＝ 5.67－5.6＝7.2－1.2 ＝ 5.44＋ 8.38 ＝ 6.49＋4.97＝ 4.49－1.6＝7.8－5.5 ＝ 9.49＋6.44 ＝ 5.68＋3.216 ＝9.75－8.01 ＝7.1－6.7 ＝ 2.5＋5.3 ＝ 1.28＋4.5 ＝ 2.06＋8.46 ＝1.5－1.09 ＝ 6.3－1.9 ＝9.34－1.49＝ 4.16＋2.764 ＝3＋4.39 ＝9.7＋4.9 ＝ 5.29－5.09＝ 5.52－1.1＝1.7 ＋4.68 ＝ 2.2 ＋4.4 ＝7.92 ＋9.92 ＝ 5.81 ＋5.09 ＝
四年级下册计算题库（一）——小数的加法和减法 1.小数数位相同的加减法（竖式计算） 5.5+4.5= 3.27-2.49= 11.65-7.39= 19.01-7.99= 7.51+0.49= 5.48- 3.25= 4.8+18.9= 10.3+58.7= 8.03-4.56= 9.03-8.57= 4.17+2.53= 5.07-0.98= 5.67-0.73= 13.18+5.27= 5.16+7.89= 26.8+3.02= 6.07-4.993= 3.7+2.36= 15.4+2.97= 10.2-8.75= 7.81-3.735= 12.16+5.347= 0.4-0.125= 18.7+3.96= 9.6+4.78= 5.67-0.845= 0.506-0.19= 11.04-7.3= 1.4-0.405= 62.1-17.07 1.4-0.405= 3.906+0.66= 43.5-27.34= 15.98-3.9= 75.6-3.55= 5.94+10.7= 12.03+0.875= 37.8+3.02= 0.704-0.25= 10.1-0.55=10+10 .1= 27+8.03= 26+7.98= 13.99+1= 7.88+2 = 95-9.85= 20-9.42= 35.09-11= 96.85-85= 45.45-45= 2.小数加减混合运算（递等式计算） 5.03-2.5+0.96 22.8-5.23-9.125 23.66+4.34-3.56 5.6-0.81-1.29 15.9+3.26+4.17 67.2+41.5-71.39 10.75+0.4-9.473 16.23+8.92-7.56 50-28.5-13.45 13.79-9.653+170.57 1.5+0.68-0.306 72.8-8.6+5.84 20.8-（15.98-3.9）32.5+（5.07+6.13） 3.52-（ 4.66-3.82） 3.小数加减简便运算（递等式计算） 0.9+1.08+0.92+0.1 5.26+3.43+0.74 5.6+2.7+4.4 0.15+7.62+7.85 51.27-8.66-1.34 48.14-2.43-7.57
小数加减法口算题60道 时间：10分钟每题2分，共120分成绩：______ (1) 1.5 + 3.5 = (2) 1.4 - 0.8 = (3) 23.6 + 23.5 = (4) 0.8 - 0.55 = (5) 6.7 + 2.5 = (6) 0.3 + 1.652 = (7) 1 - 0.03 = (8) 3.6 - 1.8 = (9) 0.13 + 0.4 = (10) 14 + 0.78 = (11) 9 - 4.8 = (12) 9.8 + 1.5 = (13) 5 - 0.92 = (14) 8.7 + 3.4 = (15) 5.8 + 6.2 = (16) 10 - 0.1 = (17) 0.6 + 1.5 = (18) 3.4 - 2 = (19) 8.6 + 9.7 = (20) 8.4 - 7.5 = (21) 2.6 + 9.6 = (22) 2.2 + 3.9 = (23) 42.3 + 15.9 = (24) 7.3 + 5.9 = (25) 4.1 - 3.8 = (26) 9.8 - 1.5 = (27) 4.4 + 5.8 = (28) 0.7 - 0.27 = (29) 9.25 + 1.7 = (30) 7.1 - 6.7 = (31) 7.8 + 1.23 = (32) 8.8 - 2.69 = (33) 9.4 - 0.9 = (34) 8.3 + 3.6 = (35) 1.3 + 8.56 = (36) 7.7 + 7.09 = (37) 7.6 + 2.4 = (38) 30.5 + 3.5 = (39) 4 + 8.2 = (40) 8.3 - 4.4 = (41) 4.8 + 8.7 = (42) 6.2 + 9 = (43) 6.2 - 2.7 = (44) 30.5 - 3.05 = (45) 0.7 + 0.97 = (46) 1.5 + 3.5 = (47) 1.3 + 8.56 = (48) 9.1 - 8.6 = (49) 30.2 - 3.3 = (50) 8.24 + 3.76 = (51) 4 - 0.12 = (52) 4.8 + 2.4 = (53) 8.88 - 2.69 = (54) 8 - 3.52 = (55) 4.3 - 1.6 = (56) 0.3 - 0.152 = (57) 9.8 - 0.9 = (58) 45.6 + 0.125 = (59) 53.9 - 32.1 = (60) 9.4 - 4.9 =