Find the missing numbers.
The sum of the 3 numbers across the square is 13. The sum of the 3 numbers down the square is also 13.
- D
- E
- F
- G
Find the columns or rows with more clues.
(a)
D = 13 - 8 - 1 = 4
(b)
E = 13 - 4 - 6 = 3
(c)
F = 13 - 3 - 7 = 3
(d)
G = 13 - 3 - 1 = 9
Answer(s): (a) 4; (b) 3; (c) 3; (d) 9