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exercitiile 2b
3a,b,c
4a,b


Exercitiile 2b 3abc 4ab class=
Exercitiile 2b 3abc 4ab class=
Exercitiile 2b 3abc 4ab class=

Răspuns :

3a.ba=16,25,36,49,64,81
3c.871+913=1784
913-871=42
1784:42=42,47
4a.20 la patrat=400
20 la cub=8000