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答案:
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1.C M. yD wn.. Mny
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2.M. alba
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3.M. Ma(ABD
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4.inventario m. 发明
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5.A=(6,-2,3)m. B=(4,4,-4)m. O=(0,0,0)m. What is the cross product r_OA X r_OB?
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6.19.图(a)、(b)所示结构(f为柔度):B M. MC M.
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7.M. Coetzee?
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8.M. et Mme Hausmann
sont_____Paris.
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9.113设zf(xy),其中函数f可微则 yA、2yf'(, y)B、~2yf'(r, y)C、(R. yD、∫(x,y)
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10.M. Roche parle Marco en italien.