4 ms·
or multiply by 10 and subtract the number that you were trying to multiply by 9. I.E.: 12 x 9 = 12 x 10 - 12 = 108
by vaccinator 6y ago
or multiply by 10 and subtract the number that you were trying to multiply by 9. I.E.: 12 x 9 = 12 x 10 - 12 = 108