来自李旭渊的问题
(-1)^2009×(-1/2)^-2+(根3-π)^0+/1-sin60°/+/-2/+2sin30°-(-根3)^2+(tan45°)^-1提示://代表绝对值
(-1)^2009×(-1/2)^-2+(根3-π)^0+/1-sin60°/+/-2/+2sin30°-(-根3)^2+(tan45°)^-1
提示://代表绝对值


(-1)^2009×(-1/2)^-2+(根3-π)^0+/1-sin60°/+/-2/+2sin30°-(-根3)^2+(tan45°)^-1提示://代表绝对值
(-1)^2009×(-1/2)^-2+(根3-π)^0+/1-sin60°/+/-2/+2sin30°-(-根3)^2+(tan45°)^-1
提示://代表绝对值
原式=-1*(4)+1+1-根号3/2+2+1-3+1=-1-根号3/2