Răspuns:
a)1/4+5/4=1+5/4=6/4=3/2
b)3/6+14/6+13/6=3+14+13/6=30/6=5
c)13/9-7/9=13-7/9=6/9=2/3
d)35/63-14/63=35-14/63=21/63=1/3
e)3/8+5/8+7/8=3+5+7/8=15/8
sper că te-am ajutat
