> 数学 >
7.28*333+72.8*66.6+7.28=?要用乘法分配率
人气:239 ℃ 时间:2020-04-16 17:37:31
解答
7.28*333+72.8*66.6+7.28
=7.28*333+7.28*666+7.28*1
=7.28*(333+666+1)
=7.28*1000
=7280
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版