Răspuns :
a+b=56
a\b=3\4 a=3b\4
3b\4+b=56 aducem la acelasi numitor prin 4
3b+4b=224
7b=224
b=32
a=56-32
a=24
a\b=3\4 a=3b\4
3b\4+b=56 aducem la acelasi numitor prin 4
3b+4b=224
7b=224
b=32
a=56-32
a=24
a+b=56 | x 3
[tex] \frac{a}{b} [/tex]= [tex] \frac{3}{4} [/tex] =>4a=3b
3a+3b= 168
3a+4a=168
7a = 168
a= 24 => b= 32
[tex] \frac{a}{b} [/tex]= [tex] \frac{3}{4} [/tex] =>4a=3b
3a+3b= 168
3a+4a=168
7a = 168
a= 24 => b= 32