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Află jumatatea, apoi sfertul numerelor: 4, 8, 12, 16 si 20.

Răspuns :

4:2=2-jumatate                      4:4=1-sfert

 8:2=4                                    8:4=2

12:2=6                                   12:4=3

16:2=8                                   16:4=4

 20:2=10.                                20:4=5