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30+5*{32:8+5*[40+8*(200:5-77:2)]} rog rez

Răspuns :

30+5×{4+5×[40+8×(40-38,5)]}=
30+5×{4+5×[40+8×1,5]}=
30+5×{4+5×[40+12]}=
30+5×{4+5×52}=
30+5×{4+260}=
30+5×264=
30+1320=1350