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Completeaza cu semnele + - : * semnul * este semnul inmultirii a) 1 2 3 =-1 b)-1 2 3 4=1 c)-1 2 3 4=-1
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Completeaza cu semnele + - : * semnul * este semnul inmultirii

a) 1 2 3 =-1
b)-1 2 3 4=1
c)-1 2 3 4=-1

User Michael Douma
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1*2 - 3=2-3= -1
(-1 +2+3):4=(5-1): 4 =4 : 4 = 1
(-1+2) * 3 - 4 = - 1

User Pierre Baret
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