计算x4-x2=______;(-3xy2)3=______;0.1252011×82010=______.-数学

题目简介

计算x4-x2=______;(-3xy2)3=______;0.1252011×82010=______.-数学

题目详情

计算x4-x2=______;(-3xy23=______;0.1252011×82010=______.
题型:填空题难度:中档来源:不详

答案

x4•x2=x6;
(-3xy2)3=-27x3y6;
0.1252011×82010=0.125.
故答案为:x6;-27x3y6;0.125.

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