解方程(1)x-25%x=3.75(2)

解方程(1)x-25%x=3.75(2) x 2 = 0.15 6 .
2025-06-22 08:09:26
推荐回答(1个)
回答1:

(1)x-25%x=3.75,
3
4
x=3.75,
3
4
4
3
=3.75×
4
3

x=5;

(2)
x
2
=
0.15
6

6x=2×0.15,
6x=0.3,
6x÷6=0.3÷6,
x=
1
20