sin²30°+2sin60°+tan45°-tan60°+cos²30°

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sin²30°+2sin60°+tan45°-tan60°+cos²30°
x)+SS64668A51JLLm`~r~1BMR>y l(PDQ,cmC]0eobkd_\g21Hv

sin²30°+2sin60°+tan45°-tan60°+cos²30°
sin²30°+2sin60°+tan45°-tan60°+cos²30°

sin²30°+2sin60°+tan45°-tan60°+cos²30°
1/4+√3+1-√3+3/4=2