Nuggets

One Day

One day a school teacher wrote on the board the following:  9×1=7  9×2=18  9×3=27  9×4=36  9×5=45  9×6=54  9×7=63  9×8=72  9×9=81  9×10=90  When she was done, shelooked to the students and they were all laughing at her, because of the first equation which was wrong, […]