长方形的长是80米,长是宽的4倍,它的面积是多少?6]8Q2_+y(R,\1q5V0z,P;I;D(d
算式:提示:y4P0K'h+D8K5^6]8Q2_+y(R,\1q5V0z,P;I;D(d
答:它的面积是){3B;i/V平方米。6]8Q2_+y(R,\1q5V0z,P;I;D(d