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1.扎筏子 zü fá zǐ
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2.3){z使得z∞(n→),f(zn)→-∞(n→∞)
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3.4.设f(x)f(f(),f(f(f(z))), f(
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4.(3) f(x, y,z)= ry y = l,x y z= 0.
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5.A.Z <ZαB.Z >ZαC.Z <-ZαD.Z >-Zα
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6.设Σ为上半球面x2 y2 z2=R2(z≥0,R>0),f(x,y,z)在Σ上连续,且f(r, y,z)= R-r
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7.lise 9 sınıf kız
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8.设 z = f(u, v),u = φ(x, y),v = ψ(x, y),则∂z/∂x = ( )
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9.{u,v,w}/.u→v/.v→z? {w,z,w}{z,z,w}{w,w,z}{z,w,w}
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10.函数yA、[ ] (k Z)B、[ ] (k Z) C . [ ] (k Z) D. [ ] (k Z)