一個數學的表示法請問一下大家,
逗點","這個符號在數學裡面可以代表"或"嗎?
也就是說如果今天一個方程式(x-1)(x-2)=0 可以寫成x=1,2嗎?
還是一定要很嚴格要求寫成1或2 或者是1or2
那如果是有三個答案呢?感謝回答!
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12/04 02:38, , 1F
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12/04 02:40, , 3F
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12/04 15:26, , 37F
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12/05 12:45, , 38F
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12/05 16:04, , 42F
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12/05 16:05, , 43F
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12/05 16:06, , 44F
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12/05 17:19, , 48F
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12/05 17:20, , 49F
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12/05 17:25, , 50F
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12/05 17:40, , 51F
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12/05 17:40, , 53F
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12/06 02:21, , 55F
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12/06 02:23, , 56F
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