题目内容
求未知数x.
|
13.5:
|
(1)
x-
x=6,
x×3=6×3,
x=18;
(2)13.5:
=x:0.4,
x=13.5×0.4,
x×
=13.5×
×
,
x=9.
| 1 |
| 2 |
| 1 |
| 6 |
| 1 |
| 3 |
x=18;
(2)13.5:
| 3 |
| 5 |
| 3 |
| 5 |
| 3 |
| 5 |
| 5 |
| 3 |
| 2 |
| 5 |
| 5 |
| 3 |
x=9.
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