Use it or lose it!
THE BRAIN IS A MUSCLE. Just like any other muscle it needs exercise if its neurons are to stay sharp. Studies have shown that repeatedly learning something new keeps the brain forming connections and prevents it from falling back and leveling out into a simple state of operation.
It's even been shown that new challenges to the brain help in the defense against Alzheimer's disease.
So... let's TRAIN THAT BRAIN!
Do you see a pattern?
2 x 9 = 18
3 x 9 = 27
4 x 9 = 36
5 x 9 = 45
12 x 9 = 108
123 x 9 = 1,107
1,245 x 9 = 11,205
12,459 x 9 = 112,131
and
and
and
and
and
and
and
and
1 + 8 = 9
2 + 7 = 9
3 + 6 = 9
4 + 5 = 9
1 + 0 + 8 = 9
1 + 1 + 0 + 7 = 9
1 + 1 + 2 + 0 + 5 = 9
1 + 1 + 2 + 1 + 3 +1 = 9