含糖20%的糖水120克,加多少克水后能变成含糖16%的糖水?
含糖20%的糖水120克,加多少克水后能变成含糖16%的糖水?
数学人气:986 ℃时间:2019-11-05 09:01:54
优质解答
120*0.2=24 24/0.16=150 150-120=30 加30克
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