Question

tim c s thich hop 

ab x 11 = a7b

Answer 1

ab = 25

Click mik nha , mik click lại !!!!!!!!!!!!!!!!!!!!!!!!!1

Answer 2

a={16;25;34;43;52;61}

k nha

Answer 3

ab=25

Answer 4

tra loi bang cach giai co ma

Answer 5

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

=> ab = 70 ; 61 ; 16 ; 52 ; 25 ; 43 ; 34