Mathematics
Junior High
這題解法+答案是多少？
4 等差級數的應用問題
小妍在棋盤中每個格線交點上放一顆棋
子,他從左下角開始擺放,依序擺放1顆
黑棋、3 顆白棋、5顆黑棋、7 顆白棋、
9顆黑棋、11顆白棋,如右圖。若小妍想
依此規律將整個棋盤的格線交點都放滿棋
子,分別需準備多少顆黑棋與白棋?
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