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suma a 3 numere consecutive este 987 afla nr

Răspuns :

[tex]x\\x+1\\x+2\\-----\\3x+3=987\\3x=987-3\\3x=984\\\boxed{\underline{x=328}} \\\\ x\to 328\\x+1\to329 \\x+2 \to 330[/tex]
987:3=329 (primul numar)
329-1=328 (al doilea numar)
329+1=330 (al treilea numar)
Verificare:329+328+330=987(totalul)
Sper ca te-am ajuatat!