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. (2011山东滨州,19,6分)计算:
,6分)计算:
(2011 浙江湖州,17,6)计算:
计算:.
,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:
(2011湖南邵阳,17,8分)计算:。
计算:.
(2011浙江温州,17(1),5分)计算:;
计算:22+|-1|-.
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