> 数学 >
3-3/2÷21/10-2/7简算
人气:483 ℃ 时间:2020-06-15 09:40:20
解答
3-3/2÷21/10-2/7
=3-5/7-2/7
=3-(5/7+2/7)
=3-1
=2
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版