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.
- J
- K
- L
- M
Find the columns or rows with more clues.
(a)
J = 13 - 8 - 1 = 4
(b)
K = 13 - 4 - 6 = 3
(c)
L = 13 - 3 - 7 = 3
(d)
M = 13 - 3 - 1 = 9
Answer(s): (a) 4; (b) 3; (c) 3; (d) 9