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Suma a trei numere naturale1155.Daca din fiecare se Scade acelasi numar,se obtine nu.erele 237,351,si198.Afla numerele

Răspuns :

Ctinamaria31xxxask
a+b+c=1155
a-x=237 => a=237+x
b-x=351 => b=351+x
c-x=198 => c=198+x

237+x+351+x+198+x=1155
3x+786=1155
3x=1155-786
3x=369
x=369:3
x=123

a=237+x
a=237+123
a=360

b=351+x
b=351+123
b=474

c=198+x
c=198+123
c=321
a+b+c=1155
a-x=237 -->a=x+237
b-x =351-->b=x+351
c-x=198-->c=x+198
x+198+x+351+x+237=1155
3x=369-->x=123   
a=360
b=474
c=321