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计算下面各题 能简算的要简算.(1)1021÷59(2)39÷2625(3)45÷14÷71

2022-08-14 02:51:50 问答库 阅读 200 次

问题详情

计算下面各题,能简算的要简算.
(1)10

21

÷5

9


(2)39÷26

25


(3)4

5

÷14÷7

10


(4)8

9

×3

4

÷8

15


(5)(7

8

+13

16

)÷13

16


(6)1

2

×4

7

+1

2

×4

7

参考答案

(1)1021÷59=67,
(2)39÷2625=37.5,
(3)45÷14÷710,
=235÷710,
=449;

(4)89×34÷815,
=23÷815,
=114;

(5)(78+1316)÷1316,
=78×1613+1316×1613,
=1113+1,
=2113;

(6)12×47+12×47,
=(12+12)×47,
=1×47,
=47.

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