有两桶糖水,大桶内有含糖4%的60千克糖水,小桶内装有含糖20%的糖水40千克

2025-04-15 03:03:09
推荐回答(1个)
回答(1):

(60*0.04 + x*0.2 - x*.04)/60 = (40*.2 + x*.04 - x*.2)/40

解出x = 24