4比1.8化简并求比值
问题描述:
4比1.8化简并求比值
答
4:1.8=40:18(两边乘以10,变成整数)=20:9(除以公约数)
答
4/1.8=40/18=20/9≈2.22
答
4:1.8
=40:18
=20:9
=20/9
答
4比1.8 = 20 :9 = 20/9