👤

pls ajutati-ma e urgent​

Pls Ajutatima E Urgent class=

Răspuns :

a) 7ab+ab2=977
b+2=7
b=5
a+b=7
a=2
725+252=977

b) 4ab+ba9=852
b+9=12
b=3
a+a=14
a=7
473+379=852