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Ajutor1801
a fost răspuns

ajutor va rog dau coroana

Ajutor Va Rog Dau Coroana class=

Răspuns :

a+b=547⇒ a=547-b
b+c=418⇒ c=418-b
a+b+c=712⇔ (547-b)+b+(418-b)=712⇔ 547-b+b+418-b=712
⇔547+418-b=712⇔965-b=712⇔b=965-712=253
a=547-253=294
c=418-253=165
Theodor1234
547+c=712
c=712-547
c=165

b+165=418
b=418-165
b=253

a+253=547
a=547-253
a=294