问题
填空题
计算:(1)a5•a3•a=______,(2)(a5)3÷a6=______,(3)(-2x2y)3=______.
答案
(1)a5•a3•a
=a5+3+1,
=a9;
(2)(a5)3÷a6,
=a5×3÷a6,
=a15-6,
=a9;
(3)(-2x2y)3,
=(-2)3(x2)3y3,
=-8x6y3.
计算:(1)a5•a3•a=______,(2)(a5)3÷a6=______,(3)(-2x2y)3=______.
(1)a5•a3•a
=a5+3+1,
=a9;
(2)(a5)3÷a6,
=a5×3÷a6,
=a15-6,
=a9;
(3)(-2x2y)3,
=(-2)3(x2)3y3,
=-8x6y3.