无尺规解：
* Y' Y1 V5 c% z2 B& D4 q) ^8 L0 R! d; g: w
解xP的8次方程 47775744*x^8-20734299648*x^7+2820359445696*x^6-72698061921408*x^5-17632876670343540*x^4+1989626208318710712*x^3-92319779825331177989*x^2+2079198976254684322005*x-18676204818722774544375=0 解yP的双8（16次）次方程
5 H. J( u+ Z) S4 j, H28179280429056*z^8-1232296485546885120*z^7+18630365017276671823872*z^6-116827184674262287571157504*z^5+290294923895933649579174442000*z^4-346196233920511570791014471143800*z^3+211288315360149623972780484406540137*z^2-63434525720490218532221094959820647136*z+7411962346924286978157411520416900000000=0" S" s% Z2 M+ P1 Y' S& ^# h: ^
解等圆半径r的8次方程 1152*r^8-5808*231^(1/2)*r^7-19848960*r^6+210925600*231^(1/2)*r^5-186834166750*r^4+357497043750*231^(1/2)*r^3-84207159815625*r^2+43762690125000*231^(1/2)*r-2106079462265625=0 | 
发表于 2026-9-28 08:50