int x, y, z
for (x = 700x <= 841x++) {
for (y = 400y <= 594y++) {
z = x * y
if (600000000 % z == 0) {
System.out.print("X值为" + x + ",")
System.out.print("Y值为" + y + ",")
System.out.print("Z值为" + z + ".")
System.out.println("")
}
}
}
结果:
X值为750,Y值为400,Z值为300000.
X值为750,Y值为500,Z值为375000.
X值为800,Y值为400,Z值为320000.
X值为800,Y值为500,Z值为400000.
满意请采纳。
public class Test {public static void main(String[] args) {
java.util.Scanner s = new java.util.Scanner(System.in)
System.out.print("请输入数字:")
int number = s.nextInt()
if (number % 5 == 0) {
System.out.println(number + "能被5整除")
}
else {
System.out.println(number + "不能被5整除")
}
}
}
能被3整除的数字有个特性:它们各位相加之和是3的倍数。所以可以这么判断。数学也容易证明53还能用取余来直接算,但是如果数字非常大,几页几十页,用各位相加操作会可行一些。