题目内容
解方程或比例
| 50%x-30=52 | x-
|
| 5 |
| x |
| 5 |
| 7 |
1.25x=5×
| 5 |
| 7 |
x=5×
| 5 |
| 7 |
x=5×
| 5 |
| 7 |
| 1 |
| 1.25 |
x=2
| 6 |
| 7 |
50%x-30=52,
50%x=52+30,
50%x=82,
x=82÷50%,
x=164;
x-
| 4 |
| 9 |
| 20 |
| 21 |
| 5 |
| 9 |
| 20 |
| 21 |
x=
| 20 |
| 21 |
| 5 |
| 9 |
x=
| 20 |
| 21 |
| 9 |
| 5 |
x=1
| 5 |
| 7 |
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题目内容
解方程或比例
| 50%x-30=52 | x-
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| 5 |
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| 5 |
| 7 |
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| 1.25 |
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