Va rog tot exercitiu
a
b
c
d
e
f
g
h
i

Răspuns:
a
7/14 + 10/7 = 17/14
b33/44 + 24/ 11 = 57/11
c15/9+ 4/9 = 19/9
d3/6 + 2/6 + 1/6 = 6/6 = 1
e4/10 + 15/10 + 7/10 = 26/10 = 13/5
f8/18 + 6/18 + 7/18 = 21/18 = 7/6
h1/40 + 15/40 + 70/40 + 20/40 = 106/40
i8/72 + 8/72 + 6/72 + 4/72 = 26/72