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Junior High
Mathematics
求解🙏🙏 謝謝
Mathematics
Junior High
over 2 yearsago
鄭喵
求解🙏🙏
謝謝
二、填充題:40 分(每格5分) 1.因式分解下列各式: (1)- x² -7x= (2) x² − 64 = (3)-6x+9+x²= (4)-x-16x-64 = (5)(x+2)(x-3)+x²-4= (6) 4.x + 15x+9= (7)(x-2)2+(x-2)-6= 2. 已知 x = 499,求(2x+1) +6x+5之值爲 三、計算題:20分 ※若(2x+5)(2x-15)+m可分解爲(2x+n)的形式,則 m-n=? 。 年級 15 →
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