Răspuns :
A+B=95
B /--/
A /--/--/--/--/ }95
95:5=19 (ani are Bogdan)
19*4= 76 (ani are Alina)
B /--/
A /--/--/--/--/ }95
95:5=19 (ani are Bogdan)
19*4= 76 (ani are Alina)
a=vârsta Alinei
b=vârsta lui Bogdan
a+b=95
a=4b
4b+b=95
5b=95
b=95:5
b=19 ani ( are Bogdan )
a=4×19
a=76 ani ( are Alina )
b=vârsta lui Bogdan
a+b=95
a=4b
4b+b=95
5b=95
b=95:5
b=19 ani ( are Bogdan )
a=4×19
a=76 ani ( are Alina )