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bigbirdjack
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【案例】2018年全国1卷理科12题
判斷球體
四邊形的特性
柱體建築師
兩位數除以一位數（一）
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平面
垂直3
Hoehn's Theorem
Exterior Angle Cyclic Quadrilateral
Rotational symmetry of triangular prism
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Arithmetic
Division
Cone
Subtraction
Arithmetic Operations