从甲地到乙地乘火车要2.5小时,乘汽车比乘火车要多用1.5小时。已知汽车每小时行驶45千米,火车每小时比汽车多行驶多少千米?*Y/b9n,R-}*n9m0s'k/I
算式:提示0R4N4U*j9R*_-H/S.S*Y/b9n,R-}*n9m0s'k/I
答:火车每小时比汽车多行驶,@/x)?0s*Y4K4`3?-l千米。*Y/b9n,R-}*n9m0s'k/I