• 2022-10-25
    求由下面方程所确定的函数的全微分或偏导数:[br][/br][tex=6.786x1.286]cwNgBZVqazc/2kIbnWF7dL1Kt6KY17sF2BiLjzQ/+6Y=[/tex],求[tex=1.0x1.286]dW3Ib/ldoxvD8Mh9XLeWQA==[/tex];