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(1)比-11大________;
(2)-14.75比大________;
(3)-7比________大19;
(4)比0小7的数是__________.
(1)18.8比-11大________;
(1)29×19.99+72×19.99+13×19.99-19.99×14;
(2)39×37-13×34.
用简便方法计算
29×19.99+72×19.99+13×19.99-19.99×14
(2011四川泸州,19,5分)计算:(π-3.14)0-+(sin30°)-1+|-2|.