问题
填空题
(-2a2b3)4=______;(x-3)2=______.
答案
(1)(-2a2b3)4
=(-2)4a2×4b3×4
=16a8b12;
(2)(x-3)2=x2-6x+9.
故答案为16a8b12,x2-6x+9.
(-2a2b3)4=______;(x-3)2=______.
(1)(-2a2b3)4
=(-2)4a2×4b3×4
=16a8b12;
(2)(x-3)2=x2-6x+9.
故答案为16a8b12,x2-6x+9.