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课堂上顾老师常常给我们出一些趣味题练习:每行栽2棵,3棵树最多可以栽几行?顾老师话音刚落,小聪的反映最快,他急忙站起来说:“最多可以栽3行。”然后到黑板上画出了示意图:
In the classroom, Mr. Gu often gives us some interesting exercises: Each row is planted with 2 trees, and 3 trees can be planted with a maximum of several rows. Gu Gu’s voice has just fallen and Xiao Cong’s reflection is the quickest. He hurriedly stood up and said: “The most You can plant 3 lines." Then draw a sketch on the blackboard: