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