菜站运来一批白菜，卖出750千克后，还有1250千克，一共运来白菜多少千克？6H:V'Z/`7F6?3_
算式：提示3@0F.I.K;_+v8j6H:V'Z/`7F6?3_
答：一共运来白菜8Y.T6h'n-G+m;x(w'l千克。6H:V'Z/`7F6?3_