202
Their sum is 400.
the sum of 80 + 20 + 90 + 10 = 200
The total sum is: 327
The sum of 2 to 200 = 10,100
the sum of 2 plus 2 is 4/2+2=44
Sum = Addition 2 + 2 = 4
int sum = 0; for (int i = 51; i < 200; i = i + 2){ sum += i; } return sum;
2*100 = 200 12*10 = 120 14*1 = 14 Sum = 334
1 to 200 sum to 20100. 1 + ... n = n(n+1)/2.
The sum is 6.
Sum = 79*(79+1)/2 = 79*80/2 = 3160
if (n%2==0) sum=n/2*(n+1); else sum=(n+1)/2*n;