设甲数为x ,乙数为y
1/3x+2=y(1)
1/2x=4/5y(2)
(1)*4/5得:4/15x+8/5=4/5y(3)
(3)-(2)得:7/30x-8/5=0.x=48/7
将x=48/7带入(2)得:y=30/7
所以x+y=48/7+30/7=78/7
设甲数为x ,乙数为y
1/3x+2=y(1)
1/2x=4/5y(2)
(1)*4/5得:4/15x+8/5=4/5y(3)
(3)-(2)得:7/30x-8/5=0.x=48/7
将x=48/7带入(2)得:y=30/7
所以x+y=48/7+30/7=78/7