把250克糖放入3千克的水中,糖和糖水的質(zhì)量比是( )
把250克糖放入3千克的水中,糖和糖水的質(zhì)量比是( )
數(shù)學(xué)人氣:160 ℃時(shí)間:2019-08-22 17:35:35
優(yōu)質(zhì)解答
答案是1:13
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