死海海水的含盐率是
75÷250=0.3=30%
东海海水的含盐率是
15÷250=0.06=6%
用250克死海的海水能制出75克盐,用250克东海的海水能制出15克盐.死海海水的含盐率是多少?东海海水呢?
用250克死海的海水能制出75克盐,用250克东海的海水能制出15克盐.死海海水的含盐率是多少?东海海水呢?
数学人气：683 ℃时间：2019-11-24 13:21:17
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