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(1)计算: 2 sin 60 ° + ( 1 2 ) - 2 + | 2 - 3 | - 9 ;
(2)解不等式组: 4 x - 1 ⩾ x + 2 , ① 2 x + 1 3 > x - 1 ⋅ ② .
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