计算:(每题4分) (1) (2) (3) (4) (5) (6)(7); (8) (0.125)2008.(-8)2009 (9)(10)
计算:sin30°++(1﹣π)0+.
计算:
计算:20110﹣3tan30°+(﹣)﹣2﹣|﹣2|
计算 (1) (2)(a+1)2﹣a(a﹣1)