It is so very simple and quick to get the answer, especially since you can use the calculator that comes with your computer if you need to. But since you are not able to do so, the answer is 204.
198.
The sum of 198 and 253 is 451.
Let 'S' represent the sum. Then the equation isS = 198 + 65
Assuming you meant 6 x 198... Do a mental sum for 6 x 200 (1200) then subtract 6 x 2 (12) to give you 1188.
1062
The
198+65= ?
45+54=99 99*2=198 198 is the answer.
6
198.
The sum of all even numbers from 2 through 200 is 40,200.
0.0303