Răspuns:
a)2x1/5=2/1x1/5=2/5
b) 5x1/4=5/1x1/4=5/4
c)12x3/5=12/1x3/5=36/5
d) 18x3/4=9x3/2=27/2
e)20x9/25=4x9/5=36/5
f)14x5/21=2x5/3=10/3
g)15/14x3=15/14x3/1=45/14
h) 7/11x4=7/11x4/1=28/11
Sper ca te-am ajutat
