Open Middle®
Directions: Using the digits 0 to 9, at most one time each, place a digit in each box to create a true statement.
Hint
How might the four be important in this equation?
Answer
Any combination of 3 factors that equal 28 in any order, including:
(1×4)+(3×4)+(24×4)
(2×4)+(7×4)+(19×4)
(3×4)+(4×4)+(21×4)
(4×4)+(5×4)+(19×4)
(5×4)+(6×4)+(17×4)
(6×4)+(7×4)+(15×4)
(7×4)+(8×4)+(13×4)
(1×4)+(3×4)+(24×4)
(2×4)+(7×4)+(19×4)
(3×4)+(4×4)+(21×4)
(4×4)+(5×4)+(19×4)
(5×4)+(6×4)+(17×4)
(6×4)+(7×4)+(15×4)
(7×4)+(8×4)+(13×4)
Source: Nova Katz
I did 9×4+9×4+10×4=112
You used the 9 twice, you can only use it one time…
4×3, 4×0, 4×25= 112
i did 3×4 9×4 16×4
(5 x 4) + (9 x 4) + (14 x 4) = 112
9×4+8×4+11×4 Answer
Cerrect
I thought I had a different one. My one was (5×4)+(6×4)+(17×4)
(3×4) + (5×4) + (20×4)
(8×4)+(6×4)+(14×4)