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{[(120+2×15):75+4]×10 la puterea a doua -40 ×5}:80

Va rod dau inimioara si coroana si multumesc


Răspuns :

{[(120+30):75+4]x100-200}:80=
[(150:75+4)x100-200]:80=
(6x100-200):80=
400:80=
5