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[(2550:6+4664:8):9-1300:25]•12

Răspuns :

[(2550:6+4664:8):9-1300:25]•12
[(425+583):9-1300:25]•12
(1.008:9-1300:25)•12
(112-52)•12
60•12
720

[(2550:6+4664:8):9-1300:25]×12=

=[(425+583):9-52]×12

=(1008:9-52)×12

=(112-52)×12

=60×12

=720