#HLWRC高数#求解不定积分∫(x^4-4x+2)/((x-1)(x^2+1))dx跟∫1/(x√(1+x⁴))dx,#integral-calculator#高等数学裂项相消:李斯王翦苏秦张仪将计就计;我讲桃江方言背诵李白蜀道难唉...