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MA127 高等数学下 2021春 期末答案

1

CCCBA

2-(1)

3y+z=±10

2-(2)

16

2-(3)

e121

2-(4)

1

2-(5)

a3π

3y+2z2=0

f(ω)=n=0x2n+2n+1

2exy2

22

55;55

π8

3π