一批钢材,用小卡车装载要45辆,用大卡车装载只要36辆。已知每辆大卡车比每辆小卡车多装4吨,那么这批钢材有多少吨?9L9X*H)C5p9d)O)X+N6?+E
算式:提示5x6d/j6c0r4@8K;S.T4t5G*e4T:W9L9X*H)C5p9d)O)X+N6?+E
答:这批钢材有3N0Z)I+s0a+_0w吨。9L9X*H)C5p9d)O)X+N6?+E