【简答题】![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
甲数是乙数、丙数、丁数之和的12,乙数是甲数、丙数、丁数之和的13,丙数是甲数、乙数、丁数之和的13,已知丁数是260,求甲数、乙数、丙数、丁数的和.
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参考答案:
![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)
【简答题】 下面程序是求出数组arr的两条对角线上元素之和,请填空。 main() { int arr[3][3]={2,3,4,8,3,2,7,9,8},a=0,b=0,i,j; for(i=0;i=0;j--) if( 【 】) b=b+ arr[i][j]; printf("%d,%d\n",a,b); }
【简答题】 下面程序是求出数组arr的两条对角线上元素之和,请填空。 main() { int arr[3][3]={2,3,4,8,3,2,7,9,8},a=0,b=0,i,j; for(i=0;i=0;j--) if( 【 】) b=b+ arr[i][j]; printf("%d,%d\n",a,b); }
参考解析:
![](https://cos-cdn.shuashuati.com/shuashuati-web/2024-0521-0905-00/logo-new-ad743.png)