分数加减混合运算习题
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710 - 15 = 13 - 524 = 57 + 514 = 23 + 14 = 65-5
4= 59 - 25 = 14 + 15 = 58 + 13 = 45 + 2 = 1 - 2
7
= 92+95= 72+75= 85+81= 65-61= 107-101= 97-92= 51+53= 1211-129= 1- 53= 74-71= 87-83= 54+53= 53-53= 85+31= 21+51= 43+71= 41+83
= 74-61= 51+81= 87-65=
92+21= 76-32= 103+41
= 73+91= 31-51= 61+41= 75-51= 7-75= 51+83 = 1514-3
1= 43+6
5
= =-5141 =+7473 =+4543 =-4187
=-9295 =+731 =-6151 =+158154 =-1312
5
78 +12 = 14 +13 = 45 -23 = 5-14 = =+8185 56 +49 = 710 -15 = 35 -14 = 5- 41
= 1-15 -54= 512 + 712 = 78 + 18 = 2 + 49 = 43
-0.25= 37+3
2
=
89 + 16 = 34 + 516 = 16 + 15 = 31+41= 51-61= 0.74+
52 21512-= =-4312 =+74
3
5 0.375+=851
5
3-61= 31+21= 1-21
= 71+76= 32+61=
=+3
121 =-4131 =+5131 =+21
163 =-751
=-5153 =-9195 =-103
107 =+9
132 35 + 15 =
=+9392 =-125128 =-651 =+3121 =-8287
=+764 =-4183 =+5154 =-21109 =+4132
1-35 = 79 -29 = 78 + 18 = 52-41 = 21- 41
=
107 + 51= 1 - 43 = 21 + 65 = 31 - 91
= 75+2
1=
125+12
1= 32+51= 43+41= 1-1322 = 71-141=
710 - 310 = 25 + 35 = 57 + 514 = 34 + 1
7
= =+5
2
51
=-8385 =+3121 =+15153 =-411 =+114
117
=-10121 =+31
95 135+13
6= 87-8
1= 51-61
=
127-122= 92+98= 158-31= 1-112= 163+1613
=
75-21= 43+83= 75+5= 5-4
3
=
0.32
= 12.5×8= 8÷0.4= 2.5×4= 7-6.38=
36÷0.9 = 5÷0.001 = 13×60 = 0.8÷0.02 = 0.36+1.54= 135÷5= 0.6×2= 4.8÷0.6= 1.7+3= 0.7÷3.5=
1.25×16= 9.6÷32= 2-0.09= 26.26÷26= 4.57+6.43= 5÷0.001=
2.5×4= 0.48÷120= 1.01×99= 4.3-1.6= 0.9×7= 0.6+7= 0.22×0.5= 1.25×8= 0.9×100= 0.64÷16= 10-9.12= 0.8×125=
3.2+1.78= 四、计算下面各题,能简算的要简算。
7.5-(2.5+3.8) 5×1.4 - 0.4×5 0.8×125-10
10-4.8-3.2 7.8×1.17-7.8×0.17 2.65×1.7+1.35×1.7 2.7×2-0.45 0.25×101 3.25×27+73×3.25 38.7-7.84÷1.4 8.8-2.5×1.8 4×9×0.25 1.25×0.25×3.2 78-8.5+22-0.5 15-5÷12-
7
12
521031--
8
3612423-- 15 + 35 - 45 = 78 - 29 + 18 =
58 + 45 - 38 + 15 ) 0.25+ 1115 + 34 + 415 715 + 1921 + 221 10- 712 - 5
12
87-125+61 34-(52+103) 75+41-149 43+63-8
5
95+(43+21) 101+83-52 53-(152+31) 6-(43-5
2)
54 - (81 + 41) 83 + 74 + 85 61+71+5
1= 61+21
-61=
1315 - 16 + 56 25 - 512 - 718 23 + 16 - 512 72 - (7
2 - 81)
5-94-95
56 + 34 - 13 56 + 49 + 59 12 +(23 -14 )
415121-+ 1278134+- 51975492+++ 316532+-
=--75722 )2185(85-- )2143(92-+ )4152(109+-
32+(21-4
1) 52+31+53 76+118+113
139-(133+2612)
2-61-65= 51+65+54= 1-21-4
1
=
)5
231(1513+-
1-45 -15 = 23 +45 +13 = 54+31+51 1511 + 114+154=