Răspuns :
a |---| Total 91
b |---|---|
c |---|---|---|---|
91:7=13
a=13
b=13×2=26
c=13×4=52
b |---|---|
c |---|---|---|---|
91:7=13
a=13
b=13×2=26
c=13×4=52
a→→→primul numar
b→→→al doilea numar
c→→→al treilea numar
a+b+c=91
b=2a
c=4a
a+2a+4a=91
3a+4a=91
7a=91
a=91:7
a=13
b=13×2
b=26
c=13×4
c=52
RASPUNS :
primul numar →→→13
al doilea numar →→→26
al treilea numar →→→52
VERIFICARE :
13+26+52=91
26÷13=2
52÷26=2
b→→→al doilea numar
c→→→al treilea numar
a+b+c=91
b=2a
c=4a
a+2a+4a=91
3a+4a=91
7a=91
a=91:7
a=13
b=13×2
b=26
c=13×4
c=52
RASPUNS :
primul numar →→→13
al doilea numar →→→26
al treilea numar →→→52
VERIFICARE :
13+26+52=91
26÷13=2
52÷26=2