问题
解答题
①(x4)2=______;
②-(y4)3=______;
③(am)4=______;
④(-y4)2=______.
答案
①(x4)2=x8;
②-(y4)3=-y12;
③(am)4=a4m;
④(-y4)2=y8.
故答案为:x8,-y12,a4m,y8.
①(x4)2=______;
②-(y4)3=______;
③(am)4=______;
④(-y4)2=______.
①(x4)2=x8;
②-(y4)3=-y12;
③(am)4=a4m;
④(-y4)2=y8.
故答案为:x8,-y12,a4m,y8.