Find the missing numbers.
The sum of the 3 numbers across the square is 12. The sum of the 3 numbers down the square is also 12.
- R
- S
- T
- U
Find the columns or rows with more clues.
(a)
R = 12 - 6 - 2 = 4
(b)
S = 12 - 4 - 4 = 4
(c)
T = 12 - 4 - 5 = 3
(d)
U = 12 - 3 - 2 = 7
Answer(s): (a) 4; (b) 4; (c) 3; (d) 7