Advent calendar 2017
12 December
Put the digits 1 to 9 (using each digit exactly once) in the boxes so that the sums are correct. Today's number is the product of the numbers in the red boxes.
+ | + | = 17 | |||
+ | + | + | |||
+ | + | = 7 | |||
+ | + | + | |||
+ | + | = 21 | |||
= 11 | = 20 | = 14 |
+ | + | = 17 | |||
+ | + | + | |||
+ | + | = 7 | |||
+ | + | + | |||
+ | + | = 21 | |||
= 11 | = 20 | = 14 |