Quiz. - Universityku

12 × 11 =?

13 × 10 =?

nt: cutee❤

$colorbox{purple}{good} : : colorbox{pink}{luck}$

Quiz.

Quiz.

12 × 11

= ( 12 + 12 + 12 + 12 + 12 ) + ( 12 + 12 + 12 + 12 + 12 ) + 12

= ( 60 + 60 ) + 12

= 120 + 12

= 132

13 × 10

= ( 13 + 13 + 13 + 13 + 13 ) + ( 13 + 13 + 13 + 13 + 13 )

= 65 + 65

= 130