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阿Q吧 > 假设:苹果一个3块,梨一个4块,枣一块钱八个,一百块钱买了一百个水果.三个水果分别有多少个？

假设:苹果一个3块,梨一个4块,枣一块钱八个,一百块钱买了一百个水果.三个水果分别有多少个？

急啊

2025-03-16 21:18:09

推荐回答（4个）

回答1：

苹果一个3块, 有21个梨一个4块,有7个枣一块钱八个,有72个

回答2：

3x+4y+0.125*z=100 (1)
x+y+z=100 (2)
x=(700-31y)/23 xyz均为正整数，解不定方程可得
x=24 y=4 z=72

回答3：

3x+4y+0.125*z=100
x+y+z=100
X Y Z 都必须为自然数

x=24 y=4 z=72

回答4：

设苹果x个，梨y个，枣z个.
x+y+z=100 (1)
3x+4y+0.125z=100 (2)
缺一个条件

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