推 dodohuang:7加在上面7個數字哪一個上 會使 3個數的乘機增加最少 10/29 23:08
467，15，23
Adding one to which of the 7 digits above can get the
product of the three new numbers with the least increased amount?
他到底是要問啥啊..............
請教各位戰友
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