8x^2y^4除以(-3x/4y^2)除以(-xy^2/2)
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多项式相除,(2x-y)的8次方除以(y-2x)的4次方
解二元一次方程(要过程,除号请用除以来表示)y除以2+x除以3=13,y除以3-x除以4=3.3x+2y=48,7x+6y=128.
8x^2y^4除以(-3x/4y^2)除以(-xy^2/2)
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