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计算下面各题.(能简算的要简算)10-23×910(19+16)×82559×625×38(

2022-08-14 02:52:00 问答库 阅读 200 次

问题详情

计算下面各题.(能简算的要简算)
10-2

3

×9

10

(1

9

+1

6

)×8

25

5

9

×6

25

×3

8

(1

4

+1

8

)×24

7

5

×6

5

×11

2

×10

11

5×5

7

+2

7

×2

14

5

×3

2

+14

5

×7

2

16×2

3

×(9×1

2

)

参考答案

(1)10-23×910,
=10-35,
=925;

(2)(19+16)×825,
=518×825,
=445;

(3)59×625×38=120;

(4)(14+18)×24,
=14×24+18×24,
=6+3,
=9;
(5)75×65×112×1011=825;(6)5×57+27×2,
=257+47,
=417;

(7)145×32+145×72,
=145×(32+72),
=145×5,
=14;

(8)16×23×(9×12),
=16×23×9×12,
=48.

考点: