問題詳情
9. 投籃比賽中，參賽者在限定時間內能隨意投 2分球或 3分球。今多多代表班上參加比賽，裁判跟他說：「總共投進 15顆球，得 36分。」，則多多共投進幾顆 3分球？
(A) 3
(B) 6
(C) 9
(D) 12
(A) 3
(B) 6
(C) 9
(D) 12
參考答案
無參考答案
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