Quiz on Factorization of Quadratic Polynomials (Cross Method) 因式分解一元二次多項式(十字相乘法):測驗

gMath 互動數學教室[br][url=http://www.gmath.hk/]http://www.gmath.hk[/url]

Information: Quiz on Factorization of Quadratic Polynomials (Cross Method) 因式分解一元二次多項式(十字相乘法):測驗