21 + 3 = 24
6 + 3 + 21 + 63 + 21 = 114
(21)3 -(19)3 (21)2+(19)2+(399)
21
(x2+10x+21)/(x+3) = (x+7)
5 + 2 + 3 + 7 + (21/7) = 20
3 + 8 + 21 + 22 + 36 = 90 Ans.// What do you mean?
-21
2q + 21.
212 + (21/3) = 219.
-21
21 Uhm, no, 17 actually...
that is 7,864 hit the quan!