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【单选题】
下列地址中哪个不是私有地址 ( ) 。A.
10.32.4.1
B.
10.255.255.254
C.
192.168.168.36
D.
172.32.5.1
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】写出下列线性规划问题的对偶问题： (1)max z=2x 1 +x 2 +x 3 -x 4 (2)max z=4x 1 +5x 2 +3x 3 +6x 4 (3) (4)
【简答题】用隐枚举法求解下列问题：max z=3x 1 +2x 2 -5x 3 -2x 4 +3x 5 , s.t.x 1 +x 2 +x 3 +2x 4 +x 5 ≤4, 7x 1 +3x 3 -4x 4 +3x 5 ≤8， 11x 1 -6x 2 +3x 4 -3x 5 ≥3, x j =0或1(j=1,2，…，5).
【单选题】Suddenly they see the moment for one of their best anecdote s, ....
A.
tedious meeting
B.
boring talk
C.
exciting chat
D.
amusing story
【简答题】max z＝3x13－4x1＋2x22－5x2＋2x3
【单选题】I was reading attentively in my own room ________ suddenly he knocked at the door.
A.
when
B.
while
C.
then
D.
as
【单选题】Most of us see a doctor ______ when we get a cold or something.This won't cost us a lot.
A.
suddenly
B.
immediately
C.
occasionally
D.
frequently
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