xqzz.net
当前位置:首页 >> 3.14x5x5x2 2x3.14x5x15怎样简便计算 >>

3.14x5x5x2 2x3.14x5x15怎样简便计算

3.14x2.25x5 =7.065x5 =35.325

3.14×5×10+3.14×25/4×2 =3.14×25(2+1/2) =3.14×25×5/2 =196.25。

网站首页 | 网站地图
All rights reserved Powered by www.xqzz.net
copyright ©right 2010-2021。
内容来自网络,如有侵犯请联系客服。zhit325@qq.com