有甲乙两筐桃子,甲筐比乙筐多10个,如果从甲筐取26个放入乙筐,那么这时甲筐的桃子是乙筐的9分之7
\u7532\u6846\u7684\u6843\u5b50\u6bd4\u4e59\u6846\u7684\u6843\u5b50\u591a10\u4e2a\uff0c\u4ece\u7532\u6846\u62ff\u8d7026\u4e2a\u653e\u5165\u4e59\u6846\uff0c\u8fd9\u65f6\u7532\u6846\u662f\u4e59\u6846\u7684\u4e5d\u5206\u4e4b\u4e03\uff0c\u4e24\u7b50\u6843\u5b50\u5171\u6709\u591a\u5c11\u4e2a1.\u8bbe\u7532\u6709X\u4e2a \u5219\u4e59\u6709\uff08X-10) \u7531\u9898\u610f\uff1aX-26=(X-10+26)*7/9 \u5f97X=173 \u6240\u4ee5\u4e00\u5171\u6709336
2.\u540e\u6765\u7684\u4e59\u6709\uff1a\uff0826+26-10\uff09/(1-7/9)=189 \u539f\u5148\u4e59\u6709\uff1a 189-26=163 \u5219\u7532\u6709189-26+10=173
\u6240\u4ee5\u4e00\u5171\u6709336
\u8bbe\u7532\u7b50\u539f\u6765\u6709 x \u5343\u514b
(x -5)*7/9 = 3/5 x +5
x = 50 ----\u7532\u7b50
50*3/5 = 30 \u5343\u514b ----\u4e59\u7b50
但实际上,原来甲比乙多10个,那么从甲筐取26个放入乙筐后,甲比乙少52-10=42个
这42个占两份,甲筐是7份,乙筐是9份,两筐共有42÷2×(7+9)=336个
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