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4（x一1×3等于76 X等于多少？(xy一x=76,求x,y各是多少)
ullia href=#Pyndxy一x=76,求x,y各是多少/a/lilia href=#euDmx+1/3x=3/4 X=多少？/a/lilia href=#dhxp解答题：4/x-1=3/x-1 +1/a/lilia href=#brEd...
ullia href=#Pyndxy一x=76,求x,y各是多少/a/lilia href=#euDmx+1/3x=3/4 X=多少？/a/lilia href=#dhxp解答题：4/x-1=3/x-1 +1/a/lilia href=#brEd...