> 数学 >
51.6÷[﹙2/3-0.25﹚×4/5]简便计算
人气:195 ℃ 时间:2019-11-01 14:40:07
解答
原式:51.6÷[﹙2/3-0.25﹚×4/5]
=51.6÷[2/3×4/5-0.25/4/5]
=51.6÷[8/15-1/5]
=51.6÷1/3
=154.8
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版