0
Wiki User
19 + 1 = 20
-18
20
1 + 19 + 0 + 1 = 21
109 you can plus like this: (19+1)+20+20+(1+1+18)+4+25
18 + 1 = 19
The answer is: 6
19/24 plus 1/6 = 23/24
19
83
The answer is 672.
(3x - 1)(3x + 19)
48
20 + 7x