Toán Lớp 7: Tìm x a) -2/x=-x/8/25 b) 1 1/3 :0,08=2/3:(0,1x) c) x-3/5-x=5/7 -

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Toán Lớp 7: Tìm x a) -2/x=-x/8/25 b) 1 1/3 :0,08=2/3:(0,1x) c) x-3/5-x=5/7