题目内容
解方程
(1)x-25%x=3.75
(2)
=
.
(1)x-25%x=3.75
(2)
| x |
| 2 |
| 0.15 |
| 6 |
(1)x-25%x=3.75,
x=3.75,
x×
=3.75×
,
x=5;
(2)
=
,
6x=2×0.15,
6x=0.3,
6x÷6=0.3÷6,
x=
.
| 3 |
| 4 |
| 3 |
| 4 |
| 4 |
| 3 |
| 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 |
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