15-8四种计算方法(16-8三种计算方法)

15-8四种计算方法(16-8三种计算方法)

首页维修大全综合更新时间:2024-04-11 08:32:10

15-8四种计算方法

解:15-8的四种算法

(1)15 - 8

= 7

(2)15 - 8

= (10 + 5)- 8

= 10 + 5 - 8

= (10 - 8)+ 5

= 2 + 5

= 7

(3)15 - 8

= 15 - (10 - 2)

= 15 - 10 + 2

= 5 + 2

= 7

(4)15 - 8

= (10 + 5)- (10 - 2)

= 10 + 5 - 10 + 2

= (10 - 10)+ (5 + 2)

= 0 + 7

= 7

答案:15-8等于7     是这样啊

大家还看了
也许喜欢
更多栏目

© 2021 3dmxku.com,All Rights Reserved.