题目内容
求未知数x.
|
|
(1)
x-
x=0.2,
(
-
)x=0.2,
x=0.2,
x=8.4;
(2)
=
,
0.8x=15×2.4,
0.8x=36,
x=45.
| 1 |
| 6 |
| 1 |
| 7 |
(
| 1 |
| 6 |
| 1 |
| 7 |
| 1 |
| 42 |
x=8.4;
(2)
| x |
| 2.4 |
| 15 |
| 0.8 |
0.8x=15×2.4,
0.8x=36,
x=45.
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题目内容
求未知数x.
|
|
| 1 |
| 6 |
| 1 |
| 7 |
| 1 |
| 6 |
| 1 |
| 7 |
| 1 |
| 42 |
| x |
| 2.4 |
| 15 |
| 0.8 |