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【单选题】
下面命题公式中主析取范式中含3个极小项的是
A.
p∨q∨r
B.
(p∧q)(┐ p∧q∧r)
C.
p→(q∧r)
D.
┐(p∧┐ q)∧(r∨q)
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参考答案:
举一反三
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C.
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D.
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A.
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B.
250
C.
253
D.
254
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A.
253
B.
254
C.
255
D.
256
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A.
254
B.
252
C.
253
D.
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