大卡车每小时行驶45千米，轿车的速度是大卡车的2倍，辆车同时从两地相向而行，4行驶相遇，两地相距多少千米？:@*^-K8r+b9d1u-t+O*d0C4D.I8|2x:Q
算式：提示9k2z.^:T8F(]5E5v7e0h)\'w:@*^-K8r+b9d1u-t+O*d0C4D.I8|2x:Q
答：两地相距7i)t*i*A8c-D千米。:@*^-K8r+b9d1u-t+O*d0C4D.I8|2x:Q