某榨油厂有1200千克的油菜籽榨得420千克油.一顿油要多少菜籽?

问题描述:

某榨油厂有1200千克的油菜籽榨得420千克油.一顿油要多少菜籽?

420/1200X1000 =0.35X1000 =350(千克) 答:一吨油要350千克油菜籽.
求采纳