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有含糖5%的糖水40千克,要配成含糖8%的糖水,需蒸发掉多少克水?
明天就要用
人气:342 ℃ 时间:2020-04-20 13:59:19
解答
糖的质量:40×5%=2㎏
8%的糖水的质量:2÷8%=25㎏
蒸发水的质量:40-25=15㎏
15㎏=15000g
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