计算:(-3x³)²乘x³+(-x²)乘x七次方-(5x³)³
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计算:(-3x³)²乘x³+(-x²)乘x七次方-(5x³)³
计算:(-3x³)²乘x³+(-x²)乘x七次方-(5x³)³
计算:(-3x³)²乘x³+(-x²)乘x七次方-(5x³)³
(-3x³)²*x³+(-x²)*x^7-(5x³)³
=9x^6*x^3-x^9-125x^9
=9x^9-x^9-125x^9
=(9-1-125)x^9
=-117x^9
(-3x³)²乘x³+(-x²)乘x七次方-(5x³)³
=9x的6次方乘x³-x的9次方-125x的9次方
=(9-1-125)x的9次方
=-117x的9次方
-7X^9