> 数学 >
20/37X9/29+9/37X17/29=?简算
人气：289 ℃　时间：2019-11-15 00:56:17
解答
20/37X9/29+9/37X17/29
=20/37X9/29+17/37X9/29
=(20/37+17/37)X9/29
=1X9/29
=9/29
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版