在含糖10%的200克糖水中,加入5克糖后,这时的糖水的含糖率是多少?
列式!
人气：290 ℃ 时间：2020-03-29 19:09:03
解答
200g
200*10%+5 为 总糖含量
200+5 总重量
(200*10%+5)/(200+5)=12.2%
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