问题
填空题
计算:(-x3y)2=______;(x2)3÷x5=______.
答案
(-x3y)2
=(-x3)2•y2
=x6y2;
(x2)3÷x5
=x6÷x5
=x6-5
=x.
故答案为:x6y2;x.
计算:(-x3y)2=______;(x2)3÷x5=______.
(-x3y)2
=(-x3)2•y2
=x6y2;
(x2)3÷x5
=x6÷x5
=x6-5
=x.
故答案为:x6y2;x.