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Pufutu
a fost răspuns

calculeaza numerele a,b,c daca:a+b+c=350000;a+b=219000;b+c=167000

Răspuns :

il aflam pe C

a+b=219000

a+b+c=350000 deci

219000+c=350000

c=350000-219000

c=131000

b+c=167000 deci

a+167000=350000

a=183000

183000+b+131000=350000

b+314000=350000

b=350000-314000

b=36000

Cocirmariadenis

a + b + c = 350 000

a + b       = 219 000

     b + c = 167 000

______________-

350 000 - 167 000 = 183 000 ( a )

219 000 - 183 000 = 36 000 ( b )

167 000 - 36 000 = 131 000 ( c )