解方程 5x-5×1/3=0.8.
问题描述:
解方程
5x-5×
=0.8. 1 3
答
5x-5×
=0.81 3
5x-
=5 3
4 5
5x+
-5 3
=5 3
+4 5
5 3
5x=
+12 15
25 15
5x=
37 15
5x×
=1 5
×37 15
1 5
x=
37 75