题目内容
解方程:
| x÷0.4=0.625 |
|
(1)x÷0.4=0.625,
x÷0.4×0.4=0.625×0.4,
x=0.25;
(2)
x-
x=
,
x=
,
x×12=
×12,
x=2.
x÷0.4×0.4=0.625×0.4,
x=0.25;
(2)
| 3 |
| 4 |
| 2 |
| 3 |
| 1 |
| 6 |
| 1 |
| 12 |
| 1 |
| 6 |
| 1 |
| 12 |
| 1 |
| 6 |
x=2.
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