怎么写，求求你了 向左转|向右转
怎么写？求你了 5/9-2/5+5/650/90-36/90+75/9089/907/10-3/8-1/87/10-1/21/5请好评在我回答的右上角点击【评价】，然后就可以选择【满意，问题已经完美解决】了。如果你认可我的回答，敬请及时采纳，你的采纳是我前进的动力~
怎么写，求求你了。： S=450×120=54000(m2)=5.4(公顷)每公顷地收稻谷：3240÷5.4=600(kg)答：每公顷地收稻谷600k千克。
求你了，怎么写 Yes，he is。No，he didn't.Because he began to do his homework at thirty past nine.He shouldn't watch TV before finishing his homework.
怎么写？求求你了
