Advent calendar 2021
10 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 largest number you can make using the digits in the red boxes.
| + | + | = 20 | |||
| + | + | + | |||
| + | + | = 10 | |||
| + | + | + | |||
| + | + | = 15 | |||
| = 7 | = 23 | = 15 |