// 用二维数组表示的学生成绩:
int[][] scores = {
{ 82, 90, 91 },
{ 68, 72, 64 },
{ 95, 91, 89 },
{ 67, 52, 60 },
{ 79, 81, 85 },
};
// TODO:
double sum = 0;
for (int i=0 ;i < 5;i++){
for(int j = 0;j < 3;j++){
sum = scores[i][j] + sum;
}
double average = sum/15;
System.out.println(average);
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Samoyelover
// 用二维数组表示的学生成绩:
int[][] scores = {
{ 82, 90, 91 },
{ 68, 72, 64 },
{ 95, 91, 89 },
{ 67, 52, 60 },
{ 79, 81, 85 },
};
// TODO:
double sum = 0;
for (int i=0 ;i < 5;i++){
for(int j = 0;j < 3;j++){
sum = scores[i][j] + sum;
}
}
double average = sum/15;
System.out.println(average);