(2011山东菏泽,15(1),6分)计算:
. (2011山东滨州,19,6分)计算:
(2011江苏扬州,19,4分)
(2011福建福州,16(1),7分)计算:
(2011广东东莞,11,6分)计算:
(2011浙江金华,17,6分)计算:|-1|--(5-π)0+4cos45°.