①(π-3)0 ②0.5-2 ③(0.04)2003•[(-5)2003]2;
题型:解答题
问题:
①(π-3)0
②0.5-2
③(0.04)2003•[(-5)2003]2;
④(-2a)•a-(-2a)2
⑤[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]÷(4x)
⑥(x2n+1+xn+3-xn-1)÷(-xn-1)
①(π-3)0
②0.5-2
③(0.04)2003•[(-5)2003]2;
④(-2a)•a-(-2a)2
⑤[(3x+2y)(3x-2y)-(x+2y)(5x-2y)]÷(4x)
⑥(x2n+1+xn+3-xn-1)÷(-xn-1)