看程序,在空格处填写结果 main() { float a,b,t; scanf("%f,%f",&a,&b); if (a>b) { t = a; a = b; b = t; } printf("%5.2f,%5.2f",a,b); } 运行示例 4.6,-5.2↙ ,
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【单选题】听力原文:M: Hi, Mary, this is John. Do you mind my calling at this early hour? W: Not at all. What's on your mind—anything special? M: It's only to find out what you're doing Friday night. W: That depends...