一个正方形广场，边长是300米，小林每天沿广场跑一圈，他每天要跑多少米？3I'S7p;_+b8[(A:c6y4t
算式：提示0Q3_0c*}5a:C2w0k7d(d/U8n3I'S7p;_+b8[(A:c6y4t
答：他每天要跑;}8b0Q2q7j4G6B.k1K(O2O4y米。3I'S7p;_+b8[(A:c6y4t