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[(408:2+50:2)×3-65×4]×3+4×0

Răspuns :

[(408:2+50:2)×3-65×4]×3+4×0 = (204+25)x3-260 = 229x3-260 = 687-260 = 427
[(204+25)x3-260]x3+0=
[229x3-260]x3+0=
[687-260]x3+0=
427x3+0=
1281+0=
1281