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计算下面各题 怎样算简便就怎样算.(1)56+311+511+16(2)67+14-914(

2022-08-14 02:21:03 问答库 阅读 200 次

问题详情

计算下面各题,怎样算简便就怎样算.
(1)5

6

+3

11

+5

11

+1

6


(2)6

7

+1

4

-9

14


(3)51.27-8.66-1.34
(4)32.5÷(0.05×50)
(5)1

2

+1

6

+1

12

+1

20


(6)4

5

-(2

3

-1

2

)

参考答案

(1)56+311+511+16
=(56+16)+(311+511)
=1+811
=1811

(2)67+14-914
=2428+728-1828
=1328

(3)51.27-8.66-1.34
=51.27-(8.66+1.34),
=51.27-10,
=41.27;

(4)32.5÷(0.05×50)
=32.5÷52
=652×25
=13;

(5)12+16+112+120
=(612+212+112)+120
=34+120
=45

(6)45-(23-12)
=45-16
=1930

考点: