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URGENT!!!!


Ajutor Dau Coroana URGENT class=

Răspuns :

5.
a)1/8
b)1/8
c)1/3
d)1/4
e)1/6
7.
8:2=4
8:4=2
12:2=6
16:2=8
16:4=4
20:2=10
20:4=5
40:2=20
49:4=10
60:2=30
60:4=15
80:2=40
80:4=20