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因為乙/甲是最簡分數 不能在相消了 並且乙/甲*8/7+1/8是正整數 所以乙/甲*8/7的分母必須是8 甲只能和8相除 所以甲➗8=8 則甲=64 乙是7的倍數
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→正整數
z=14萬
3. *
乙71
甲88
甲一定=64,乙一定是7的倍數
+-"結果為一正整數,而
正整數,而為使圖分數又是取分數,則下列哪一個
為正確選項?
A (A)甲一定為64
(B)甲一定為8(C)乙一定為49 (D)乙一定為64
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