> 数学 >
7.86-(5.63+0.86)-1.37简便算法
人气:197 ℃ 时间:2020-05-18 08:37:12
解答
7.86-(5.63+0.86)-1.37
= 7.86 - 5.63 - 0.86 - 1.37
= (7.86 - 0.86) - (5.63 + 1.37)
= 7 - 7
= 0
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版