Dau coronița plus 20 de puncte ex 2

a) = 8/10 = 4/5
b) = 12/8 = 3/2
c) = 8/16 = 1/2
d) = 1/5
e) = -2/4 = -1/2
f) = 2/16 = 1/8
g) = 2/4 - 1/4 = 1/4
h) = 3/4 - 3/4 = 0
i) = 1/4 - 2/4 = - 1/4
Răspuns:
Explicație pas cu pas:
3/5+4/5=7/5
7/4-5/4=3/4
5/16+3/16=8/16
4/5-3/5=1/5
7/4+5/4=12/4
5/16-3/16=2/16