问题
解答题
计算:
(1)(-x)5÷(-x)2•x2;
(2)(2x+y)4÷(-2x-y)2÷(2x+y)
答案
(1)(-x)5÷(-x)2•x2=-x5÷x2•x2=-x5;
(2)(2x+y)4÷(-2x-y)2÷(2x+y)=(2x+y)4÷(2x+y)2÷(2x+y)=2x+y.
计算:
(1)(-x)5÷(-x)2•x2;
(2)(2x+y)4÷(-2x-y)2÷(2x+y)
(1)(-x)5÷(-x)2•x2=-x5÷x2•x2=-x5;
(2)(2x+y)4÷(-2x-y)2÷(2x+y)=(2x+y)4÷(2x+y)2÷(2x+y)=2x+y.