方程组的题,一,3(x-2)=y+3①2(y+2)=x+3②二,2x-3y=0①x+y=4=0②求(x+y)的2次方为多少?
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![方程组的题,一,3(x-2)=y+3①2(y+2)=x+3②二,2x-3y=0①x+y=4=0②求(x+y)的2次方为多少?](/uploads/image/z/10780655-23-5.jpg?t=%E6%96%B9%E7%A8%8B%E7%BB%84%E7%9A%84%E9%A2%98%2C%E4%B8%80%2C3%EF%BC%88x-2%EF%BC%89%3Dy%2B3%E2%91%A02%EF%BC%88y%2B2%EF%BC%89%3Dx%2B3%E2%91%A1%E4%BA%8C%2C2x-3y%3D0%E2%91%A0x%2By%3D4%3D0%E2%91%A1%E6%B1%82%EF%BC%88x%2By%29%E7%9A%842%E6%AC%A1%E6%96%B9%E4%B8%BA%E5%A4%9A%E5%B0%91%3F)
方程组的题,一,3(x-2)=y+3①2(y+2)=x+3②二,2x-3y=0①x+y=4=0②求(x+y)的2次方为多少?
方程组的题,
一,3(x-2)=y+3①
2(y+2)=x+3②
二,2x-3y=0①
x+y=4=0②
求(x+y)的2次方为多少?
方程组的题,一,3(x-2)=y+3①2(y+2)=x+3②二,2x-3y=0①x+y=4=0②求(x+y)的2次方为多少?
一,3(x-2)=y+3①
2(y+2)=x+3②
x=17/5
y=6/5
二,2x-3y=0①
x+y-4=0②
(x+y)的2次方为16
一 529/25
二 16