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计算下列各题 能简便的要简算:33-79-291325-1350+1512+(23-14)5

2022-08-14 02:49:47 问答库 阅读 200 次

问题详情

计算下列各题,能简便的要简算:
33-7

9

-2

9


13

25

-13

50

+1

5


1

2

+(2

3

-1

4

)
5

6

+3

4

-1

3

1

2

+4

5

-5

6

5

8

-2

3

+3

8

19

14

-1

4

-5

14

+1

4

2

3

-2

9

+1

3

-7

9

参考答案

(1)33-79-29,
=33-(79+29),
=33-1,
=32;

(2)1325-1350+15,
=1350+15,
=2350;

(3)12+(23-14),
=12+112,
=712;

(4)12+45-56,
=1310-56,
=715;

(5)58-23+38,
=(58+38)-23,
=1-23,
=13;

(6)1914-14-514+14,
=(1914-514)+(14-14),
=1-0,
=1.

考点: