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8x3:6x9+64:8:2x7-19=


Răspuns :

36+28-19=45
----------------
24: 6x9+64:8:2x7-19=
4x9+64:8:2x7-19=
36+64:8:2x7-19=
36+ 8 ;2x7-19=
36+4x7-19=
36+28-19=
64-19=
45