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[請問] a>b，試證(a+c)b和(b+c)a何者為大？
[ ask ]4 留言, 推噓總分: +2
作者: ddqueen - 發表於 2023/03/08 19:25(2年前)
3F推foxbrush: 已知a>b，請問 ab+cb 和 ab+ca 何者較大？03/08 20:43
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