左移A1后的图像是sin(x+A1) A1=π/3+2Kπ(K≥0)右移A2后的图像是sin(x-A2)==>A2=5π/3+2mπ(m≥0)A2-A1=5π/3-π/3+2nπ(n∈z)=4π/3+2nπ|A2-A1|=|4π/3+2nπ|=4π/3+2tπ(t∈N)或|A2-A1|=|4π/3+2nπ|=2π/3+2sπ(...就是这样的过程，满意。我也好开心，