计算题.-﹙-x²﹚×﹙-2x²y﹚³+2x²﹙x6次方y³-1﹚.
问题描述:
计算题.-﹙-x²﹚×﹙-2x²y﹚³+2x²﹙x6次方y³-1﹚.
答
-﹙-x²﹚×﹙-2x²y﹚³+2x²﹙x6次方y³-1﹚.
=x²×(-8x^6y³)+2x^8y³-2x²
=-8x^8y³+2x^8y³-2x²
=-6x^8y³-2x²
答
-﹙-x²﹚×﹙-2x²y﹚³+2x²﹙x6次方y³-1﹚
解原始= -2x^8y³+2x^8y³-2x³
=-2x³