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Afla numerele necunoscute stiind ca a=75 c=b-899 b=a×25 d=c+2987

Răspuns :

a=75, c=b-899 , b=a×25 ,d=c+2987

a=75
b=75×25
b=1875

c=1875-899
c=976

d=976+2987
d=3963
a=75 b=75×25=1875 c=1875-899=976 d=976+2987=3963