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Scrieti 3 exercitii cu media aritmetica

Răspuns :

(2+4):2=
=6:2=3
(8+7+3):3=
=18:3=6
(9+2+3+6):4=
=20:4=5
ai inteles?

(6+98)-8(65+89)
45+(78-56)+76-(98-76)
45-45+(67777+999)-76899