200千克菜籽,可榨油80千克.求這種菜籽的出油率.
200千克菜籽,可榨油80千克.求這種菜籽的出油率.
數(shù)學(xué)人氣：756 ℃時間：2020-06-16 13:40:00
優(yōu)質(zhì)解答
出油率=80/200*%=40%
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