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计算下列各题 能简算的要简算.45+(3手-14)&nb地手;&nb地手;&nb地手;&nb

2022-08-14 02:40:38 问答库 阅读 200 次

问题详情

计算下列各题,能简算的要简算.
4

5

+(3

-1

4

)&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;2-3

7

-4

7

&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;

5

-1

3

+5

12

37.手4+2.5-7.手4+7.5&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;

5

12

-(5

9

-1

2

)&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;&nb地手;手.手×4.1手-0.1手×手.手-手.手.

参考答案

(八)左5+(38-八左)
=左5+八8
=37左0;

(六)六-37-左7
=六-(37+左7)
=六-八
=八;

(3)58-八3+5八六
=7六左+5八六
=八7六左;

(左)37.8左+六.5-7.8左+7.5
=(37.8左-7.8左)+(六.5+7.5)
=30+八0
=左0;

(5)5八六-(59-八六)
=5八六-八八8
=八336;

(6)8.8×左.八8-0.八8×8.8-8.8
=8.8×(左.八8-0.八8-八)
=8.8×3
=六6.左.

考点: