JavaScript
不一样,因为浏览器解析时会默认加上;
MySQL 编程题
SELECT DISTINCT `name` FROM student_score WHERE `name` NOT IN (SELECT `name` FROM student_score WHERE score <80 );
Java
package com;
public class test1 {
public static void main(String[] args) {
float distance=100;
float sum = 0;
for(int i = 1;i <= 10;i++){
sum = sum + distance + distance/2;
distance = distance / 2;
}
sum = sum - distance;
System.out.println("经过"+ sum);
System.out.println("反弹"+ distance);
}
}
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