(-1/2m³n)³·(-2m²)的四次方6x²-(2x-1)(3x-2)+(x-3)(x-2)
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(-1/2m³n)³·(-2m²)的四次方6x²-(2x-1)(3x-2)+(x-3)(x-2)
(-1/2m³n)³·(-2m²)的四次方
6x²-(2x-1)(3x-2)+(x-3)(x-2)
(-1/2m³n)³·(-2m²)的四次方6x²-(2x-1)(3x-2)+(x-3)(x-2)
原式=-1/8m^9n³*16m^8
=-2m^17n³
原式=6x²-6x²+7x-2+x²-5x+6
=x²+2x+4