题目内容
求未知数x的值．
=
：30%
x-
x-
=1．
| x |
| 4 |
| 1 |
| 3 |
x-
| 2 |
| 3 |
| 1 |
| 3 |
| x |
| 4 |
| 1 |
| 3 |
30%x=
| 1 |
| 3 |
30%x÷30%=
| 4 |
| 3 |
x=4
| 4 |
| 9 |
x-
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 4 |
| 3 |
x=4．
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30%x=
30%x÷30%=
x=4
x-
x=4．
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| x |
| 4 |
| 1 |
| 3 |
| 2 |
| 3 |
| 1 |
| 3 |
| x |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 4 |
| 3 |
| 4 |
| 9 |
| 2 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 3 |
| 4 |
| 3 |
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