分数加减混合运算练习题
521031--8
3
612423--
15 + 35 - 45 78 - 29 + 18
58 + 45 - 38 + 15 715 + 1921 + 221
10- 712 - 512 87-125+6134-
(5
2+103) 75+41-14
9
43+63-8595+(43+21)
101+83-5253-(152+3
1
) 6-(
43-52)54- (81+ 4
1
) 83+ 74+ 8561+7
1+51 61+21
-611315 - 16 + 56
25 - 512 - 718 23 + 16 - 512
72- (72- 8
1
) 5-94-95
56 + 34 - 13 56 + 49 + 5
9
12 +(23 -1
4 )4
15121-+
1278134+-5
1975492+++
3
16532+-=--75722
)2185(85--)2
143(92-+
)4152(109+-32+(21-4
1)
52+31+5376+118+11
3
139-(133+26
12) 51+65+54 1-21
-4
1
)5
2
31(1513+-1-45 -15
23 +45 +13 54+31+51
1511 + 114+15
441+31+41+32
79+81+83+7515
8
-(158+187) 3
- 14 - 13 - 3
4
45 -14 +13 910 +320 -315 1-712 +34 2728 +﹙1314 -5
7
﹚
256 -﹙23 +712 ﹚ 1514 -512 +756
156 -﹙313 -11
2 ﹚2017-203-20
9
92+83-85141+145+14
3
41+41+4
3
1-32-31=
56 +27 +16 58 +23 +56
4-45 -15
45 -(12 +14 ) 34 -27 +14 +27
2-14 - 13 - 34 125 -(121 -21)
54 +(83-41) 2-73-7
4
21+41-6185-31+12
5
1115-83-8595+127+9
4
8
7+
43-12
11 3–(1921 - 914 )
6-(43-5
2
)
6
15231++
52+31+5
33
15243--
15410354+-)4
183(43+-
1211+85+83+12197-81+92-8
3
15
61151511116-++71+92+74+97
169+83+167+8123 + 45 -(45 - 1
5
)
715 + 1115 -(310 + 1115 )
154+ 97- 154
+ 92
34 -27 +14 +27
3
1838532+++
9
5619542-++136-73+137-7
2
85121183121+++711 + 15 + 411 + 25
16 +57 +56 +
725
2107
53++
??? ??528387+-19419152--
83232612510
--7
6-(61-121)
)1272953(24+-19
9-(98-1910
)
158+31-15894-52+95-5
2
98+61-4343
-125+6
1
1-
61-8313
5
+ 135 + 135
79 +23 - 49 95+74+94
98+(32-2
1
) 87-125+61
34-(52+103) 21-(43-8
3
) 5-94-9532+(21-4
1) 3-(914 + 67 ) 910 -(34 -1
6
)
314165+-15
4157
51++