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1500-a+1833-900=4440​

Răspuns :

Răspuns:

datorita asociativitati aduarii si scaderii, vom proceda astfel:

1500-a+1833-900=4440

1500-a+933=4440

a+567=4440

a=4440-567

a=3873

1500-a +1833-900=4440

1500-a+1833=4440+900

1500-a +1833=5340

1500-a=5340-1833

1500-a=3507

a=3457-1500

a=2007