求(d/dx) sin x2 =
求(d/dx) sin x2 =
求定积分:d/dx*[∫ (1到2)sin(x^2)dx]=
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d/dx[∫(下限2 上限8)sin(ln x^2)dx]=
定积分d/dx*[∫ (1到2)sin x^2dx]=