-12x³y⁴÷(-3x²y³)·(-1/3xy)
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-12x³y⁴÷(-3x²y³)·(-1/3xy)
-12x³y⁴÷(-3x²y³)·(-1/3xy)
-12x³y⁴÷(-3x²y³)·(-1/3xy)
-12x³y⁴÷(-3x²y³)·(-1/3xy)
解,得:
==-12x^(3-2-1)*y^(4-3-1)*(1/3)
==-4x^0*y^0
==-4
-12x³y⁴÷(-3x²y³)·(-1/3xy)
-12x³y⁴÷(-3x²y³)·(-1/3xy)
-12x³y⁴÷(-3x²y³)·(-1/3xy)
-12x³y⁴÷(-3x²y³)·(-1/3xy)
解,得:
==-12x^(3-2-1)*y^(4-3-1)*(1/3)
==-4x^0*y^0
==-4