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[(408:4+75:3)•3-31]•3 Ma ajutați va rogg!!Dau coroana

Răspuns :

=((102+25)x3-31)x3
=(127x3-31)x3
=(381-31)x3
=350x3
=1050
[(108+25)×3-31]×3=
(133×3-31)×3=
368×3=
1104