數學試卷答案 – St. Stephen’s Girls’ College Form 2 Math Final Exam 2020-21 Paper 1試卷答案a) i) (x^{2}+6xy+9y^{2})ii)(2x^{2}+3xy-5y^{2})b) (-4x^{2}+3xy+33y^{2})a) (x^{2}(x+y-7))b) (x^{2}-1)c) ((x+y-7)(x+1)(x-1))p = -10q = -7a) 15 m/sb) 75 sa) 9 : 10b) 53 : 28D...
St. Stephen’s Girls’ College Form 2 Math Final Exam 2020-21 - Paper II試卷答案a) 4b) 4a) Yesb) Noc) Yes(dfrac{3a^{4}}{b^{2}})I, II-6a) (x^{2}+7xy-6y^{2})b) (4x^{2}-4y^{2})A = -6a) Yesb) Yess = 4a) (-dfrac{a-2}{2})b) [(dfrac{8y-9x}{6(x-y)})(a=dfrac{3+2b}{...
St. Stephen’s Girls’ College Form 2 Math Final Exam 2021-22 Paper 2數學試卷答案:a) Nob) Noa) 6xy(3x+2y2)b) (5b - 7a)(9a - 1) or (7a - 5b)(1 - 9a)P = 3Q = 07 h1 : 86 : 15 : 80.2 km(b=dfrac{5a-4c}{3})(dfrac{11x}{12(x-5)}) or (-dfrac{11x}{12(5-x)})x = 3y = -2...