【单选题】【消耗次数:1】
+A=(  )
+B
+
A+
A+B
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相关题目
【判断题】 设a,b是整数,若a|b,则[a,b]=|b|.
①  正确
②  错误
【判断题】 设a,b是正整数,则一定有(a,b)[a,b]=a[b,a+b].
①  正确
②  错误
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①  正确
②  错误
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①  正确
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【单选题】 以下程序段:int i,a=3,b=2;i=(--a==b++)?--a:++b;printf(i=%d a=%d b=%d,i,a,b);输出结果是。
①  i=1 a=1 b=3
②  i=3 a=2 b=3
③  i=4 a=1 b=4
④  i=4 a=2 b=4
【简答题】 (a, b)[a, b] = [填空].
【单选题】 下述程序的运行结果( )。 #includevoid main() { int x=1,a=0,b=0; switch(x) { case 0:b++; case 1:a++; case 2:a++;b++; } printf(a=%d,b=%d\n,a,b); } case 1:a++; case 2:a++;b++; } printf(a=%d,b=%d\n,a,b); }
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②  L(G[S])={b2i+1│i≥1}
③  L(G[S])={bi│i≥0}
④  L(G[S])={b2i│i≥0}
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①  in
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【单选题】 In order to prepare a lecture, one must do a lot of research and spend plenty of time____ his material so that his speech is clear and easy to follow.
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①  as it is
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