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[302+19×(68-8×6)]:2-2×17×10

Răspuns :

[302+19×(68-48)]:2-34×10
[302+19×20]:2-340
[302+380]:2-340
682:2-340=341-340=1

si asta e gata ^^
[302+19×(68-8×6)]:2-2×17×10=
=
[302+19×(68-48)]:2-340
=
[302+19×20]:2-340
=[302+380]:2-340
=682:2-340
=341-340
=1