Question

[(2550:6+4664:8):9-1300:25]•12

Answer 1

[(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

Answer 2

[(2550:6+4664:8):9-1300:25]×12=

=[(425+583):9-52]×12

=(1008:9-52)×12

=(112-52)×12

=60×12

=720