100
It might be possible to work this in your head. Your 98 is 100 minus 2. This means 98 plus 98 is 100 plus 100 minus 2 minus 2. That's 200 minus 4 which gives 196 as the answer.
5,050
Expressed as a surd, sqrt(98) + sqrt(2) = 8 sqrt(2).
Oh, what a lovely math question! If we add 100, 99, 98, 2, 1, and 0.3 together, we get a beautiful total of 300.3. Just imagine each number as a happy little tree in a serene forest of mathematics.
19 - 2*7 + 98/14 = 12.
2 + 98 = 100
It might be possible to work this in your head. Your 98 is 100 minus 2. This means 98 plus 98 is 100 plus 100 minus 2 minus 2. That's 200 minus 4 which gives 196 as the answer.
It is 98*6 = 588
6 + 2 + 90 = 98
If you add all the numbers from 1 to 98, the total is 4851.
303
(n+2)2 - 98 -2 -4
96
5,050
303
34 + 98 + 98 + 87 + 32 = 349
98