問題詳情
5. ( )直角坐標平面上有六個點分別是(2,3)、(3,1)、(3,－3)、(0,－3)、(3,0)、(－3,0)，其中在直線y＋3＝0上的點共有多少個？
(A)2個
(B)3個
(C)4個
(D)5個
(A)2個
(B)3個
(C)4個
(D)5個
參考答案
無參考答案
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