Question

甲数与乙数的和是3.3,甲数除以乙数的商是1.2,甲数是( ),乙数是(

Answer 1

设甲数为x,乙数为y,则x+y=3.3.(1)；x/y=1.2.(2)；由(2)得x=1.2y,代入(1)式得2.2y=3.3,所以y=1.5,x=1.8;