| 解方程. 75%x-1=14 |
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15%x-8=7 |
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科目:小学数学 来源: 题型:
| 解方程. 76%x-21%x=110 |
1.2x+50=137 | x÷45%=100 | ||
150%x-
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9.1-14%x=0.7 | 75%x-50=25. |
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