[請益] 國中數學因數倍數
梨子74個,桃子150個,李子170個,現平分給若干兒童,只知道梨子剩下2個,桃子剩下
6個,李子不夠10個,則兒童有幾個人。
答:先求(74,150,170)=36 列出36所有因數 1.2.3.4.6.9.12.18.36不合消掉
我的問題是問什麼9會不合呢 ? 如果每個學生拿20個李子那就會不夠10個,
為什麼9不合。 謝謝
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