Question

tìm ab:

a0b  =   6.  ab

Answer 1

a0b=6.ab

=>a.100+b=6.(a.10+b)

=>a.100+b=a.60+b.6

=>a.100-a.60=b.6-b

=>a.40=b.5

=>a.8=b

Vì 0<b<9<16

=>0<b<16

=>0<a.8<16

=>0<a<2

=>a=1

=>b=1.8=8

Vậy ab=18

Answer 2

a0b=6.ab

=>a.100+b=6.(a.10+b)

=>a.100+b=a.60+b.6

=>a.100-a.60=b.6-b

=>a.40=b.5

=>a.8=b

Vì 0<b<9<16

=>0<b<16

=>0<a.8<16

=>0<a<2

=>a=1

=>b=1.8=8

Vậy ab=18

tik ủng hộ mik cái!!!