[X-(1/5X+5)-(1/4x-7)]+(1/5X+5)+(1/5X+7)+1/8X=X最后答案等于X=40
问题描述:
[X-(1/5X+5)-(1/4x-7)]+(1/5X+5)+(1/5X+7)+1/8X=X
最后答案等于X=40
答
[X-(1/5X+5)-(1/4x-7)]+(1/5X+5)+(1/5X+7)+1/8X=X
最后答案等于X=40