Find the missing numbers.
The sum of the 3 numbers across the square is 11. The sum of the 3 numbers down the square is also 11.
- R
- S
- T
- U
Find the columns or rows with more clues.
(a)
R = 11 - 6 - 3 = 2
(b)
S = 11 - 2 - 4 = 5
(c)
T = 11 - 5 - 5 = 1
(d)
U = 11 - 1 - 3 = 7
Answer(s): (a) 2; (b) 5; (c) 1; (d) 7