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答案:
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1">1.B1"|z1z 1*|z<1D 1·|z|>1
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2.已知复数zZ 1 Z 2 |=|Z 1 -Z 2 | ∴|Z 1 Z 2 | 2 =|Z 1 -
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3.A.x = 1; y = 1; z = 1B.x, y, z = y, z, xC.x = (y = z 1)D.x =yE.x = y = z =1
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4.求下列函数的(1) F(z)(3) F(z)Z反变换zz 0.5F(z)(z 0.8)(z 0.1)0.5z2(z 1)(z0.5)(4)F(z)z(z 1)( z 2)
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5.表达式 (z=0, (x=2)||(z=1),z) 的值是1。
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6.【填空题】1 Z,0 Z,-4 Z,0.3 Z, Z;
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7.z 2 z 1 X ____ 10____ X z z[sup]2 8 7 z 1 z z 0.8 z 7 z z[/]
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8.ò z dz = 2pi .|Z |=1 | z |¥ n! n
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9.已知z=1 i,则 |z|=______.
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10.hi=1 z