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一元二次不等式 のコピー
Author:
mathcodx
,
藍邦偉 Blue
拉動a,b,c輸入x^2,x的係數與常數項 拉動s決定不等式>,<,...
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觀察a>0時,判別式D>0,D=0,D<0配合f(x)=ax^2+bx+c>0,>=0,<0,<=0的情形
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球體建築師
兩位數除以一位數(一)
柱體建築師
找出對稱軸
兩組對邊相等和有直角的四邊形
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積分
ex 6
Similar triangles inscribed iteration400
三角柱
微元法演示
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