Question

Suma a trei nr.este 978999.Suma primelor doua nr.este 534 555,iar a ultimilor doua este 578 777.sa se afle nr.

Answer 1

I+II+III=978999
I+II=534555
II+III=578777
1.Care este al treilea nr?
978999-534555=444444
2.Care este primul nr?
978999-578777=400222
3.Dar al doilea?
534555-400222=134333
Verificare 134333+400222+444444=978999

Answer 2

a+b+c=978999
a+b=534555
b+c=578777
a+b+c=978999--->(a+b)+c=978999-->534555+c=978999-->c=978999-534555=444444
b+c=578777-->b=578777-c=578777-444444=134333
a+b=534555-->a=534555-b=534555-134333=400222

a=400222
b=134333
c=444444