算了,一次提完吧,11.分解因式:(1)(x+y)(x+y+2xy)+(xy+1)(xy-1)(2)(x+y)(x+y+2xy)+(xy+1)(xy-1)12.若a-b=2,a-c=1/2,求(b-c)^2-3(b-c)+9/4的值.13.解方程:(x-2)(x+3)+(2-x)^2-(x-2)(2x-3)=2014.算一算:1+2=?求你们全部回答吧
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![算了,一次提完吧,11.分解因式:(1)(x+y)(x+y+2xy)+(xy+1)(xy-1)(2)(x+y)(x+y+2xy)+(xy+1)(xy-1)12.若a-b=2,a-c=1/2,求(b-c)^2-3(b-c)+9/4的值.13.解方程:(x-2)(x+3)+(2-x)^2-(x-2)(2x-3)=2014.算一算:1+2=?求你们全部回答吧](/uploads/image/z/11383925-5-5.jpg?t=%E7%AE%97%E4%BA%86%2C%E4%B8%80%E6%AC%A1%E6%8F%90%E5%AE%8C%E5%90%A7%2C11.%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%EF%BC%9A%281%29%EF%BC%88x%2By%29%28x%2By%2B2xy%29%2B%28xy%2B1%29%28xy-1%29%282%29%28x%2By%29%28x%2By%2B2xy%29%2B%28xy%2B1%29%28xy-1%2912.%E8%8B%A5a-b%3D2%2Ca-c%3D1%2F2%2C%E6%B1%82%28b-c%29%5E2-3%28b-c%29%2B9%2F4%E7%9A%84%E5%80%BC.13.%E8%A7%A3%E6%96%B9%E7%A8%8B%EF%BC%9A%EF%BC%88x-2%29%28x%2B3%29%2B%282-x%29%5E2-%28x-2%29%282x-3%29%3D2014.%E7%AE%97%E4%B8%80%E7%AE%97%EF%BC%9A1%2B2%3D%3F%E6%B1%82%E4%BD%A0%E4%BB%AC%E5%85%A8%E9%83%A8%E5%9B%9E%E7%AD%94%E5%90%A7)
算了,一次提完吧,11.分解因式:(1)(x+y)(x+y+2xy)+(xy+1)(xy-1)(2)(x+y)(x+y+2xy)+(xy+1)(xy-1)12.若a-b=2,a-c=1/2,求(b-c)^2-3(b-c)+9/4的值.13.解方程:(x-2)(x+3)+(2-x)^2-(x-2)(2x-3)=2014.算一算:1+2=?求你们全部回答吧
算了,一次提完吧,
11.分解因式:(1)(x+y)(x+y+2xy)+(xy+1)(xy-1)
(2)(x+y)(x+y+2xy)+(xy+1)(xy-1)
12.若a-b=2,a-c=1/2,求(b-c)^2-3(b-c)+9/4的值.
13.解方程:(x-2)(x+3)+(2-x)^2-(x-2)(2x-3)=20
14.算一算:1+2=?
求你们全部回答吧
算了,一次提完吧,11.分解因式:(1)(x+y)(x+y+2xy)+(xy+1)(xy-1)(2)(x+y)(x+y+2xy)+(xy+1)(xy-1)12.若a-b=2,a-c=1/2,求(b-c)^2-3(b-c)+9/4的值.13.解方程:(x-2)(x+3)+(2-x)^2-(x-2)(2x-3)=2014.算一算:1+2=?求你们全部回答吧
1+2=3
S13
算了,一次提完吧,11.分解因式:(1)(x+y)(x+y+2xy)+(xy+1)(xy-1)(2)(x+y)(x+y+2xy)+(xy+1)(xy-1)12.若a-b=2,a-c=1/2,求(b-c)^2-3(b-c)+9/4的值.13.解方程:(x-2)(x+3)+(2-x)^2-(x-2)(2x-3)=2014.算一算:1+2=?求你们全部回答吧
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