Multiply Large Numbers Trick This is reply of another postanother example: 89 x 99 = 8811How to:100-89 x 100 - 99=> 11 + 1 => 12 => 100 - 12 = 88=> 11 x 1 => 11 => 11 multiplication counting trick Mathematics infographicReplied Infographic in Education
This is reply of another post