【高校数学b：数列】入門：格子点の個数（放物線とx軸で囲まれた領域）【演習】
Synopsis
簡単な問題で、格子点の個数の数え方を理解しましょう。
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![[高校数学] 格子点の個数/数列応用/シグマ応用/数検準1級](https://i.ytimg.com/vi/sAl6CDWY7Bs/hq720.jpg?sqp=-oaymwEcCNAFEJQDSFXyq4qpAw4IARUAAIhCGAFwAcABBg==&rs=AOn4CLDUifXKWkLSRzK_MFx3oap7yjY6dw)
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