Question

ab x 11 = ab7

Answer 1

ab x 11 = a7b (a x 10 + b) x 11 = a x 100 + b + 70 a x 110 + b x 11 = a x 100 + b + 70 a x 10 + b x 10 = 70 ; 61 ; 16; 52 ; 25 ; 43 ; 34