网址:http://m.1010jiajiao.com/timu3_id_449506[举报]
(+25)-(-13);
-8的相反数是 ;25的算术平方根是
(1)-32-(-2)2;
(2);
(3)(-10)2+[(-4)2-(3+32)×2];
(4);
(5);
(6)(-2)3-3×[(-4)2+2]-(-3)2÷(-2);
(7)(-2)2003+(-2)2002;
(8)(-0.25)2009×42004.
-24÷(-2)×2+5×(-)-0.25;