It is: 417+345 = 762
The sum of 345 and 8,787,887 is 8,788,232
340 + 5 = 345
It is: 567+2345 = 2912
The sum is 300+45 = 345
The sum of 1 through 250 is 31,375.
The sum of the first 250 integers is 31,125.
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