设原来苹果是x 则梨是x-240
(x-100):(x-240-100)=10:7
7(x-100)=10(x-340)
7x-700=10x-3400
10x-7x=3400-700
3x=2700
x=900
苹果比梨多 240÷(900-240)≈36.4%------------望采纳,谢谢
设原来苹果是x 则梨是x-240
(x-100):(x-240-100)=10:7
7(x-100)=10(x-340)
7x-700=10x-3400
10x-7x=3400-700
3x=2700
x=900
苹果比梨多 240÷(900-240)≈36.4%------------望采纳,谢谢