c语言 求出矩阵a和矩阵b的乘积,结果存入矩阵c中,并按矩阵的形式将c打印...答:arr1[ROW1][COL1]={{1,2},{3,4}},arr2[ROW2][COL2]={{1,2,1,2},{1,2,1,2}},arr3[ROW2][COL2],i,j,k;for(i=0;i<ROW1;i++){for(j=0;j<COL2;j++){arr3[i][j]=0;for(k=0;k<ROW2;k++){arr3[i][j]+=arr1[i][k]*arr2[k][j];}}}for(...