看图回答问题．①用数对表示商店和小明家的位置．商店（
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①用数对表示商店和小明家的位置．商店（0，4）小明家（3，2）；②在图上标出小李家（6，2）的位置如下图：
③（3+2）×200
=5×200
=1000（米）
答：小明从家出发，经过小李家到学校至少要走1000米．
故答案为：（0，4），（3，2），1000．
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