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.
- D
- E
- F
- G
Find the columns or rows with more clues.
(a)
D = 12 - 8 - 1 = 3
(b)
E = 12 - 3 - 6 = 3
(c)
F = 12 - 3 - 7 = 2
(d)
G = 12 - 2 - 1 = 9
Answer(s): (a) 3; (b) 3; (c) 2; (d) 9