Rumus Perkalian 2 Digit

0

ab x cd = a.ca.d + b.cb.d

Contoh :

12 x 34 = 1*31*4 + 2*32*4

00000000= 031008 = 03+10+08 = 0408

00000000= 408

98 x 76 = 9*79*6 + 8*78*6

00000000= 6354 + 5648 = 6311048

00000000= 6+13+10+48

00000000= 7448

00000000= 7448