百度试题 结果1 题目Bai 2: Phan tich cac da thue sau thanh nhan tu a) x(y-x)^2-x^2+2xy-y^2b) x(x-y)^2-y(x-y)^2+xy^2-x^2y 相关知识点: 试题来源: 解析 a) Ta có: b) Ta có: 反馈 收藏
98. Phan tich cá c da thú c sau thành nhan tu:a) A=x^2-2xy+y^2+3x-3y-4 ;b) B=(12x^2
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百度试题 结果1 题目1) Phan tich da thuc thanb nhan tu: a) x- 2x2- x b_14x^2-y^2+1+4x 相关知识点: 试题来源: 解析 a) 反馈 收藏
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Cau 295. Phan tich da thuc (x+2)(x+4)(x+66)(x+8)+16 thanh nhan tu ta duoc: A. (x^2+10x+20)^2 B. (x^2+10x+16)^2 C. (x^2+10x+14)^2 D. (x^2+10x+13)^2 相关知识点: 试题来源: 解析 AChọn A.Ta có: (x+2)(x+4)(x+6)(x+16)+16=(x^2+16)...
Bai 5: Phan tich da thuc sau thanh nhan tu a) x^3+y(1-3x^2)+x(3y^2-1)-y^3b) x^2y+xy^2+x^2=+xz^2+y^2=+yz^2+2xy=c)xy(x+y)+y=(y+=)+=x(=+x)+2xy= 相关知识点: 试题来源: 解析 a) x^3+y^2-y^3=(x-y)^3+y^3+y^3=(x-y)^3+y^3-(x-y^...
101. Phan tich cá c da thu c sau thành nhan tu:a) A=(x^2-2x)(x^2-2x-1)-6 ;b) B=(x^2+4x-3)^2-5x(x^2+4x-3)+6x^2 ;c=(x^2+x+4)+8x(x^2+x+4)+15x^2 . 相关知识点: 试题来源: 解析 101. a) Đặt thì .Đáp số: .b) Đặt thìc)...
2 A. Phan tich cac da thuc sau thanh nhan tu:a)8x^3-12x^2+6x-1; b)x^3+6x^2y+12xy^2+9y^3 相关知识点: 试题来源: 解析 a) Áp dụng HĐT 5 thu được (2x-1)^3.b) Đưa về dạng (x+2y)^3+y^3=(x+3y)(x^2+3xy+y^2). ...