Question

Tìm y

y x a = aa

abab : y = ab

Answer 1

a. y*a=aa

y=aa/a

y=11

b, abab/y=ab

y=abab/ab

y=101

Answer 2

a, y x a = aa

=> y = aa : a

=> y = 11a : a

=> y = 11

b, abab : y = ab

=> y = abab : ab

=> y = 101ab : ab

=> y = 101

Answer 3

y=aa:a(tim thua so)

y=11

y=abab:ab=101