当前位置:文档之家› 六年级下册数学试题-简便计算练习题|通用版(含答案)

六年级下册数学试题-简便计算练习题|通用版(含答案)

六年级数学总复习简便计算练习题

一、口算。(10分)

10-2.65=7.35 0÷3.8= 0 9×0.08= 0.72 24÷0.4=60 67.5+0.25=67.75 6+14.4=20.4 0.77+0.33=1.1

5-1.4-1.6=5-3=2 80×0.125=80*81=10 73

÷3×71=73*31×71=49

1

二、用简便方法计算下面各题。(90分,4×20+5×2)

1125-997 998+1246 431+3.2+532+6.8 1252-(172+25

2

) 400÷125÷8 25×(37×8)

=1125-(1000-3) =(998+2)+(1246-2) =(431+532)+(3.2+6.8)=1252-252-17

2

=400÷(125*8)=25*8*37

=1125-1000+3 =1000+1244 =10+10=20 =10-172=875 =400÷1000=5

2

=200*37=7400

=125+3=128 =2244

(41

-61)×12 143×2154×74 34×(2+3413) 125×8.8 4.35+4.25+3.65+3.75 3.4×99+3.4 =(246-244)*12 =47×2154×74 =34×2+34×3413 =125*(8+0.8) =(4.35+3.65)+(4.25+3.75)=3.4*(99+1)

=242*12 =(47×7

4)*2154 =68+13 =125*8+125*0.8 =8+8=16 =3.4*100=340 =1 =1*2154=215

4

=81 =1000+100=1100

17.15-8.47-1.53 17

65-343-465 97÷251+115×92

0.125×0.25×32 22.3-2.45-5.3-4.55 =17.15-(8.47+1.53) =1765-465-343 =97÷511+115×92 =81*41

*32 =22.3-5.3-(2.45+4.55)

=17.15-10 =13-343=941 =97*115+115×9

2

=1 =17-7=10

=7.15 =(97+92)×115=11

5

(1211+187+245)×72 4.25-365-(261-143) 187.7×11-187.7 4387×21+57.125×21-0.5 3415 ×(57 -314 ÷3

4 ) =1211×72+187×72+245×72 =441+143-(365+26

1) =187.7*(11-1) =4387×21+5781×21-21 =3415 ×(57 -3

14 *34) =11*6+7*4+5*3 =6-6=0 =1887 =21(4387+5781-1) =1549*(57 -72

=66+28+15 =21*100=50 =1549*73=5

7

=109

2.42÷4

3+4.58×311-4÷3 212 ×6.6+2.5×635 1178 -613 -123 4.6+325 +635 +5.4 2.8+549 +7.2+359 445 -(24

5

+5

12

) =2.42*34+4.58×34-34*1 =221*653+221*653 =1178 -(613 +123 ) =453+352+653+55

2 =(2.8+7.2)+594+395= 445 -245 -5

12

=34(2.42+4.58-1) =221*2*653 =1178 -8=387 =453+552+(352+65

3)=10+9=19 =2- 5

12 =1127

=34

*6=8 =10+10=20

438 +2.25+558 +734 725 +457 +235 53611 -1647 +16511 237 +359 -337 +149 +147 0.75+58 +14 +0.375 5-21417 -1317

=483+241+585+743 =725 +235 +457 =53611 +16511 -1647 =237 +147 -337 +(359 +149 )=43+85+41+83 =5-(21417 +1317 ) =483+585+(241+743)=10+457 =70--164

7 =74+5=574 =43+41+(85+8

3)=2 =5-4=1 =10+10=20 =1475 =537

3

45 +945 +9945 +99945 +999945 48.3-1516 -456 956 ×4.25+414 ÷6 0.625×0.5+58 +12 ×62.5% 3138 ×72513 ÷3138 1645 +(24

7

-1.8) =(1+9+99+999+9999)45 = 48.3-(1516 +456 )=965*441+441*61 =85*21+85*21*85 =3138 ÷3138 ×72513 =1645 +(24

7 -15

4)

=11107 45 =48103-20=28103 =(965+61)*441 =85*(21+21+1) =1×72513 =72513 =164

5 -154+247

=10*417=285 =1554+247 =1835

13

2.5×(910 +910 +910 +910 ) 22×34 +25×75%-7×0.75 0.25×6

3.5-14 ×1312 6715 ×2.5-212 ×4715 389 +3.125+119 +17

8

1125-996

=2

21*4*109 =22*43+25*43-7*43 =41*6321-41*1321 =6157*221-221*4157 =389 +11

9 +(381+178 )=1125-(1000-4) =25*4*109=10*109=9 =(22+25+7)*43=271 =41*(6321-1321) =(6157-4157)*22

1 =5+5=10 =1125-1000+4

=

41*50=1221 =2*2

5

=5 =125+4=129 (111+999) ÷[56×(37 -38 )] 49.5×1035 -(50-12 )×0.6 711 ×41419 +5519 ÷147 +711 45×(79 +415 -0.6) 897×3

8

-37.5%+104×0.375

=[110+(1+999)]/(56×37 -56×38 )=4921*1035 -4912 ×53 =711 ×41419 +5519 *711 +7

11 =45*(97+154-53) =897×83-83+104×8

3

=(110+1000)÷(24-21) =4921(1053-53) =711 (41419 +55

19 +1) =45*97+45*154-45*53 =(897-1+104)×8

3

=1110*31 =4921*10=495 =7

11 *11=7 =35+12-27=20 =(896+104)×83=1000×8

3=375

314 ×(538 -5.375) 3.5×114 +1.25×2710 +3.8÷4

5

72×156-56×72 25×32×125 709×99+709 299×101 =

413*(583-583) =321*141+141*2107+354*4

5

=72*(156-56) =25*(8*4)*125 =709(99+1) =0 =(321+2107+354)*45

=72*100 =25*8*(4*125) =709*100

=(27+2107+519)*45

=7200 =200*500=100000 =70900

=(1035+2107+10

38)*45

563×999 71×99 3755+2996 8439+1001 446+295 888+999 2100÷20

212×6.6+2.5×635 75.3×99+75.3 4.6×3.7+54×0.37 0.125×34+1

8×8.25+12.5% 8.37-3.25-(1.37+1.75) =221*653+221*653 =75.3*(99+1) =4.6*3.7+5.4*3.7 =81*43+81*841+81

=8.37-1.37-(3.25+1.75) =221(653+653) =75.3*100 =(4.6+5.4)*3.7 =81(43+41

+1) =7-5=2 =221*1256 =7530 =10*3.7 =81*2=41 =25*566=33 =37 1178―613―123 15314―4.25―534 19.82―6.57―3.43 4.6+325+635+5.4 438+2.25+558+73

4 9.63÷2.5÷4 6÷0.2

5 =1187-(631+132)=15143-(441+543)=19.82-(6.57+3.43)=4.6+5.4+(352+653)=483+585+(241+743)=9.63/(2.5*4) =6/41

=1187-8 =387 =15143-10=5143

=19.82-10=9.82 =10+10=20 =10+10=20 =9.63/10=0.963 =6*4=24

3-

712-512 57×38+58×57 815×516+527÷109 18×(49+56) 23×7+23×5 (16-112)×(24-45)

=3-(127+125) =75(83+85) =31*21+275*109 =18*94+18*65 =32*(7+5) =121*24-121*5

4

=3-1=2 =75 =31*21+31*21 =2*4+3*5 =32*12 =2-151=115

14

=61+61=3

1

=8+15=23 =2*4=8

(5

7×47+47)÷47

15÷[(23+15)×113] 23×7+23

×5 18 ×[12 ÷(35 ×109 )] (215 +3

11 )×15×11 12×103-4500÷75 =(75+1)*74*47 =51/(392+651) =32(7+5) = 81*(21*23) =152*165+113

*165

=175 =51*239+51*65 =2*4=8 =81*43=32

3

=2*11+3*15 =10

39+13=16109

=22+45=67

(32×

41+17)÷125 (25+43)÷41+41 2518×16

9+257×169+169 (21×73+74×21)×41 (99+109)÷9 54×65÷85

=(8+17)*5

12

=25*4+43*4+41 =(2518+257+1)169 =21(73+74)*41 =99*91+109*91 =54*65*58

=25*512 =100+3+41 =2*169=89=181 =21*41=541 =11+101=11101 =1516=115

1

=5*12=60 =1034

1

1514÷[(54+32)×1110] (65+54)×30 31+3÷21 65×56-109÷59 4-115-117 81×58+81×41+8

1

=1514/(54*1110+32*1110) =65*30+54*30 =31+3*2 =1-21 =4-(115+117) =81

*(58+41+1) =1514/(118+3320) =25+24=49 =631 =21 =4-1111=21110 =81*100=1221 =1514/3344=1514*43=10

7

54×74×45-21 54×65+52÷53 54÷[(85-21)÷8

5] 235 - 135÷18 35 ×153 – 0.6×53 (45 +14 )÷73 +710

=74-21 =32+(52*35) =54/(81*58) =53

*(153-53) =141 =32*2=131 =54/51=54*5=4 =5

3*100=3*20=60

10 -

719 - 1219 + 119 25×13 ÷52 ×3

10

13.09-8.12-4.88 =10-(

197+1912)+191=25*31*25*103

=13.09-(8.12+4.88) =10-1+191 =425=641

=13.09-13=0.09

=9191

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