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计算下面各题 能简算的要简算.45-310-15 23-(512-14)1112-310+1

2022-08-14 02:14:41 问答库 阅读 200 次

问题详情

计算下面各题,能简算的要简算.
4

5

-3

10

-1

5

2

3

-(5

12

-1

4

)11

12

-3

10

+1

12

-7

10

1

4

-1

8

+5

6

19

16

-(3

16

+7

8

)8

13

+15

17

+18

13

+2

17

参考答案


(1)45-310-15
=810-310-210
=310

(2)23-(512-14),
=23-16
=12

(3)1112-310+112-710
=(1112+112)-(310+710),
=1-1,
=0;

(4)14-18+56
=18+56
=2324

(5)1916-(316+78),
=1916-316-78
=1-78
=18

(6)813+1517+1813+217
=(813+1813)+(1517+217),
=2+1,
=3.

考点: