分数加减混合运算习题

  1. 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
  2. 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
  3. 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。

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=

相关文档
最新文档