Sagot :
a)4/10=2.2/5.2=2/5
b)20/40=1.20/2.20=1/2
c)15/20=3.5/4.5=3/4
d)130/260=13.10/2.13.10=1/2
b)20/40=1.20/2.20=1/2
c)15/20=3.5/4.5=3/4
d)130/260=13.10/2.13.10=1/2
Réponse:
Réponse: