In an IQ test,the host showed 4 triangular boards.What does "represent in the 4th board?翻译

In an IQ test,the host showed 4 triangular boards.What does "represent in the 4th board?翻译

题目
In an IQ test,the host showed 4 triangular boards.What does "represent in the 4th board?翻译
答案
在一次IQ(智商)测试当中,主持人展示了4个三角形的板.在第4个板中,”代表什么?
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