两筐梨,甲占总数的百分之65,甲取12GK到乙,乙占总数的3/4.两筐梨重几千克?
问题描述:
两筐梨,甲占总数的百分之65,甲取12GK到乙,乙占总数的3/4.两筐梨重几千克?
da an yao you suan shi xie xie
答
高两筐梨重X千克,
0.65X-12=0.35X+12
X=120