奶奶腌制咸鸭蛋,将500g食盐放入2000g水中,盐是水的几分之几?盐占盐水的几分之几?
奶奶腌制咸鸭蛋,将500g食盐放入2000g水中,盐是水的几分之几?盐占盐水的几分之几?
数学人气:992 ℃时间:2019-11-22 14:54:27
优质解答
500÷2000=
;
500÷(500+2000)
=500÷2500,
=
.
答:盐是水的
,盐占盐水的
.
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