[2(x-y)立方-8(x-y)平方乘(x+y) 6y(x-y)平方]除以2(x-y)平方[2(x-y)立方-8(x-y)平方乘(x+y) +6y(x-y)平方]除以2(x-y)平方 上面那个错了

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 06:24:50

[2(x-y)立方-8(x-y)平方乘(x+y) 6y(x-y)平方]除以2(x-y)平方[2(x-y)立方-8(x-y)平方乘(x+y) +6y(x-y)平方]除以2(x-y)平方 上面那个错了
[2(x-y)立方-8(x-y)平方乘(x+y) 6y(x-y)平方]除以2(x-y)平方
[2(x-y)立方-8(x-y)平方乘(x+y) +6y(x-y)平方]除以2(x-y)平方 上面那个错了

[2(x-y)立方-8(x-y)平方乘(x+y) 6y(x-y)平方]除以2(x-y)平方[2(x-y)立方-8(x-y)平方乘(x+y) +6y(x-y)平方]除以2(x-y)平方 上面那个错了

[2(x-y)立方-8(x-y)平方乘(x+y) +6y(x-y)平方]除以2(x-y)平方
=(x-y)-4(x+y)+3y
=-3x-2y