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.
- C
- D
- E
- F
Find the columns or rows with more clues.
(a)
C = 13 - 6 - 2 = 5
(b)
D = 13 - 5 - 4 = 4
(c)
E = 13 - 4 - 5 = 4
(d)
F = 13 - 4 - 2 = 7
Answer(s): (a) 5; (b) 4; (c) 4; (d) 7