如果x×1/7等于y×4等于m乘以m分之一m不等于零那么xy分别等于多少？ 如果xy等于4分之1，那么xy成什么关系
\u82e5\u6709\u7406\u6570y\uff0cx\u6ee1\u8db3y x\u4e0d\u7b49\u4e8e\u96f6\u3002\u5219m\u7b49\u4e8em \u6700\u5927\u503c\u662f2
xy=1/4\uff0c\u90a3\u4e48x\u548cy\u6210\u53cd\u6bd4\u4f8b\u5173\u7cfb\u3002
X等于7，Y等于1/4，因为M*1/M=1=X/7=4Y
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