c;2187 x^4 y^2-3172 x^3 y^3+576 x^3 y^2+54 x^3 y+108 x^3+1458 x^2 y^4+576 x^2 y^3-1188 x^2 y^2-162 x^2 y+27 x^2-324 x y^5-378 x y^3+648 x y^2-54 x+27 y^6+54 y^3+27=0 ↑の c の 双対曲線c^★を多様な発想で求めて下さい! c の 特異点を求め 獲た 各…

https://www.rikelab.jp/entertainment/3695

https://blog.stephenwolfram.com/2019/08/a-book-from-alan-turing-and-a-mysterious-piece-of-paper/?fbclid=IwAR0OWVVpjZrvTOQx3h13ZUZDNCin0XoVFm75TFCpcAnm101poWcchW3IOiY

https://www.bing.com/videos/search?q=FromDocPDF&&view=detail&mid=BF15ADB3F2801B9FFF21BF15ADB3F2801B9FFF21&&FORM=VRDGAR

{6, 9, 5/3, 8/27, 7/9, 6, 9, 5/3, 8/27, 7/9, 6, 9, 5/3, 8/27, 7/9, 6, 9, 5/3, 8/27, 7/9, 6, 9, 5/3, 8/27, 7/9, 6, 9, 5/3, 8/27, 7/9, 以下同文....................................なる ●数直線上の 循環数列を 産み出す 漸化式を 作成願います; ht…