1,(x+y)²-(x+y),2,(x-y)²-(x-y)³2,(x-y)²-(
来源:学生作业帮 编辑:神马作文网作业帮 分类:数学作业 时间:2024/09/23 10:24:50
1,(x+y)²-(x+y),2,(x-y)²-(x-y)³2,(x-y)²-(y-x)³ 用分解公因式算
(1).2(x-y)-3(y-x)²
(2).4ad(a+b)²-6a²b(a+b)
(3).(x+y)²(x-y)+(x+y)(x-y)²
(4).2a(a-3)²-6a²(3-a)+8a(a-3)
(5)24xy²z²(x+y-z)-32xyz(z-x-y)²+8xyz³(z-x-y)
用分解公因式
(1).2(x-y)-3(y-x)²
(2).4ad(a+b)²-6a²b(a+b)
(3).(x+y)²(x-y)+(x+y)(x-y)²
(4).2a(a-3)²-6a²(3-a)+8a(a-3)
(5)24xy²z²(x+y-z)-32xyz(z-x-y)²+8xyz³(z-x-y)
用分解公因式
1、=(x+y)(x+y-1)
2、=(x-y)(x-y-1)
3、=(x-y)²(1+x-y)
再问: (1).2(x-y)-3(y-x)² (2).4ad(a+b)²-6a²b(a+b) (3).(x+y)²(x-y)+(x+y)(x-y)² (4).2a(a-3)²-6a²(3-a)+8a(a-3) (5)24xy²z²(x+y-z)-32xyz(z-x-y)²+8xyz³(z-x-y) 用分解公因式 最好有步骤
2、=(x-y)(x-y-1)
3、=(x-y)²(1+x-y)
再问: (1).2(x-y)-3(y-x)² (2).4ad(a+b)²-6a²b(a+b) (3).(x+y)²(x-y)+(x+y)(x-y)² (4).2a(a-3)²-6a²(3-a)+8a(a-3) (5)24xy²z²(x+y-z)-32xyz(z-x-y)²+8xyz³(z-x-y) 用分解公因式 最好有步骤
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