> 数学 >
2.25×3/5+2.75÷5/3简算
人气：434 ℃　时间：2020-03-28 03:37:14
解答
2.25×3/5+2.75÷5/3
=2.25×3/5+2.75×3/5
=3/5×(2.25+2.75)
=3/5×5
=3
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版