It is: 417+345 = 762
The sum of 345 and 8,787,887 is 8,788,232
340 + 5 = 345
The sum of the first 250 integers is 31,125.
The sum of 1 through 250 is 31,375.
It is: 567+2345 = 2912
The sum is 300+45 = 345
345 and 217
0.0384
The sum of the first 250 prime numbers is 182,109.
The sum of the first 250 consecutive odd numbers is 250 squared or 62,500.
450+250=700