计算(1)()-2-23×0.125 +20120 +|-1| (2)(-a2b3c4 )(-xa2b)2(3)(-m)2·(m2)2 ÷ m 3 (4)-2a2(12ab+b2 )-5ab (a2-ab )
,4分)(1)计算:;
(1)计算:.
(2011浙江丽水,17,6分)计算:|-1|--(5-π)0+4cos45°.
(2011福建泉州,18,9分)计算:.
计算: