(2012-π)°-(1/3)-1^+|√3 -2|+3tan30°

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(2012-π)°-(1/3)-1^+|√3 -2|+3tan30°
(2012-π)°-(1/3)-1^+|√3 -2|+3tan30°

(2012-π)°-(1/3)-1^+|√3 -2|+3tan30°
(2012-π)°-(1/3)-1^+|√3 -2|+3tan30°
=1-3+2-√3+√3
=0