三さん次じ方ほう程てい式しきさんじほうていしきじ字FuriganaMeanings1nouncubic equationmathematics›Mathematical term for a polynomial equation of degree three, typically of the form ax³ + bx² + cx + d = 0.三さん次じ方ほう程てい式しきの解かいの公こう式しきはカルダノ