Matematică, întrebare adresată de vasinechiti, 9 ani în urmă

Suma A doua numere este 17. unul dintre ele este cu 2 mai mare decat dublul celuilalt.Determinati numerele

Răspunsuri la întrebare

Răspuns de irinascumpiki5
4
a + b = 17
a = b x 2  + 2
b = 15 : 3 = 5
a = 2 + 5 x 2 = 2 + 10 = 12

vasinechiti: multumesc
irinascumpiki5: coroana?
vasinechiti: da
irinascumpiki5: mie sau ei?
Biankastar: mie te rog
irinascumpiki5: mie
Biankastar: te rog
irinascumpiki5: pleaseeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee
Biankastar: td rog
irinascumpiki5: te roggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggggg
Răspuns de Biankastar
1
a + b = 17 
a = b x 2  + 2
b = 15 : 3
b= 5 (al doilea nr)

a = 2 + 5 x 2
 a= 2 + 10
a= 12(primul nr)
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