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计算下面各题 怎样计算简便就怎样计算.888+999×888=12.5×32×0.25=3-

2022-08-14 02:58:29 问答库 阅读 200 次

问题详情

计算下面各题,怎样计算简便就怎样计算.
888+999×888=12.5×32×0.25=

3-5

8

÷25

28

-3

10

=

4

5

×[13

16

÷(3

4

+1

3

)]7

15

÷[1-(4

5

-2

3

)]=

参考答案

(1)888+999×888
=888×(999+1)
=888×1000
=888000;

(2)12.5×32×0.25
=(12.5×8)×(4×0.25)
=100×10
=1000;

(3)3-58÷2528-310
=3-(710+310)
=3-1
=2;

(4)45×[1316÷(34+13)]
=45×[1316÷56]
=45×3940
=3950;

(5)715÷[1-(45-23)]
=715÷[1-215]
=715÷1315
=713.

考点: