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Daca se poate spunetimi va roc cum se face rezolvarea asta( 133:7-45: (57 x10 -555)]:4=


Răspuns :

[133/7-45/(570-555)]/4
(133/7-45/15)/4
(19-3)/4
16/4=4
(133:7-45:(57x10-5550]:4=
(19-45:(570-555)];4=
(19-45:15]:4=
[19-3]:4=16:4=4