问题
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已知有变量datal定义如下: union data { int i; char ch; float f; }data
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已知char a;int b;float C;double d;则表达式a-b c-d结果为()型。A)double B)float C)int D)cha
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已知char a;int b;float C;double d;则表达式a-b c-d结果为()型。A)double B)float C)int D)cha
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下列定义变量的语句中错误的是A)int _int; B)double int_; C)char For; D)float US$;
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已知: union { int i; char c; float a; }st;则sizeof(st)的值是______。A.4B.5C.6D.7
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现有定义int a;double b;float c;char k; 则表达式a/b+C—k值的类型为:( )。A.intB.doub
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