花生仁的出油率比油菜籽低百分之几?花生仁是38%,油菜籽是42%

问题描述:

花生仁的出油率比油菜籽低百分之几?
花生仁是38%,油菜籽是42%

你好:
(42%-38%)÷42%≈9.5%

(42%-38%)÷42%×100%=9.52%
祝你开心