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Vă rooog vreau urgent la ex3

Vă Rooog Vreau Urgent La Ex3 class=

Răspuns :

a.(387+613)-(3466-3366)

=1000-100

=900

b.(784+594)-(784-594)

=1378-190

=1188

c.(87-52)×(308-292):2

=35×16:2

=560:2

=280