How can 8 + 8 = 4? How can 8 + 8 = 4?

How can 8 + 8 = 4?

11 ヵ月
157 ビュー
カテゴリー:
解説:
YESTERDAY'S BRAIN TEASER:

No matter how little or how much you use me, you change me every month. What am I?

ANSWER: A calendar