xy³-2x²y+x³y救急,快
问题描述:
xy³-2x²y+x³y
救急,快
答
先移项得XY3+X3Y=2X2Y,然后左边提出XY,得XY(Y2+X2)=2X2Y,然后得出Y2+X2-2X=0
xy³-2x²y+x³y
救急,快
先移项得XY3+X3Y=2X2Y,然后左边提出XY,得XY(Y2+X2)=2X2Y,然后得出Y2+X2-2X=0