66 + 98 = 164.
Note: simple calculations like this one are easier to do with a calculator. If you don't have a calculator available, your computer probably has one for you to use (check under "Programs", "Applications", etc).
65
65
66 plus -62 = 4
It is equal to 66
2076
220
104
6y + 5y = -66 11y = -66 (-66/11 = y) y = -6
13 + 53 = 66
19 plus 79
35
66 times 6 equals 396.
It is 98*6 = 588
19 plus 79