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afla nr a,b,c, daca: a+b+c=693 a+b=587 b+c=418

Răspuns :

RozaliaEma
693-587= 106 (c)
418-106= 312 (b)
587-312= 275 (a)
Liliana18

a+b+c=693

a+b=587

b+c=418

587+c=693

c=693-587

c=106

b+106=418

b=418-106

b=312

a+312=587

a=587-312

a=275

Verificare 275+312+106=693

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