則有4x-4x×
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4x-
4 |
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4 |
3 |
1 |
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4x-
4 |
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4 |
3 |
1 |
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4x-
4 |
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4 |
3 |
4 |
9 |
12 |
3 |
8 |
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9 |
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3 |
4 |
9 |
12 |
9 |
4 |
9 |
16 |
9 |
7 |
9 |
x=18.
所以甲原有錢:4×18=72(元);
答:甲原來(lái)有72元錢.
故答案為:72.
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9 |
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9 |