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Completeaza casutele cu semnele potrivite(+;-;×;:),pentru a obtine rezultatele date:
5#5#5#5#5=5
5#5#5#5#5=21
5#5#5#5#5=30
8#8#8#8#8=56
8#8#8#8#8=8


Răspuns :

5+5-5+5-5=5
5×5-5+5:5=21
5-5+5×5+5=30
8×8-8-(8-8)=56
8+8-8+8-8=8
5+5-5+5-5=5
5:5+5X5-5=21
5X5+5-5+5=30
8X8-8+8-8=56
8+8-8+8-8=8