一段路长324米,已经修了240米,剩下的计划4小时修完,平均每小时修多少米?4m'E5M(j1d7|/a'z8z)X*x4G2O
算式:提示1h0C4}*f1]1c:r)r-@)L3H3H:l-_7]4m'E5M(j1d7|/a'z8z)X*x4G2O
答:平均每小时修:|6b3E+T)?(q3z-?,e;W7W米。4m'E5M(j1d7|/a'z8z)X*x4G2O