小测验-变量类型及变换
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Question 1 of 4
1. Question
一个32位的整数变量占用几个字节？
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Question 2 of 4
2. Question
一个字符型变量占用几个字节？
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Question 3 of 4
3. Question
3、设变量 x 为 float 型且已赋值，则以下语句中能将 x 中的数值保留到小数点后两位，并将第三位四舍五入的是( )。 (2014年普及组)
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Question 4 of 4
4. Question
4、若有变量int a, float x,y , 且a=7, x=2.5, y=4.7, 则表达式 x+a%3*(int)(x+y)%2/4的值大约是( ) (2014年提高组)
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