0.25×(4-1.6×0.25)简便计算

0.25×(4-1.6×0.25)
=0.25×(4-4×0.25×0.4)
=0.25×(4-0.4)
=0.25×4-0.25×0.4
=1-0.1
=0.9

温馨提示：答案为网友推荐，仅供参考

当前网址：https://verywind.cn/ee/x2237jy77y3evfjyrx.html