Rapid va rog la 18:40 îl vreau v1a rog

Răspuns:
a) 17/41+8/41=25/82
b) 11/12+3/50=14/62
c)7/12+5/18=12/30
ex 2:
a)14/37-9/37=5
b)7/9-4/27=3
c)11/6-13/9=0
ex 3:
5/12+1/3=6/15