| (5) A B C D E |
(本题您已经做了,答案为"D",在此仅供复习用,不能再计分!)
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|
上式中,
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A
( |
| B ( |
| C
( |
| D P(x,y,f(x,y)) Q(g(x,u),u) |
| E ~P(x,y,f(x,y))∨Q(g(x,u),u) |