elenazotea4ozd5kd elenazotea4ozd5kd

13-11-2017
Mathematics

contestada

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

Respuesta :

dannielle dannielle

13-11-2017

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

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