Răspuns :

Beatrice2302id

a+a+1+a+2+a+3+a+4+a+5+a+6=231

7a+21=231

7a=231-21

7a=210

a=210:7

a=30

=> Numerele sunt: 30,31,32,33,34,35,36

Alexandrarriid

Explicație pas cu pas:

a+b+c+d+e+f+g=231

b=a+1

c=a+2

d=a+3

e=a+4

f=a+5

g=a+6

a+a+1+a+2+a+3+a+4+a+5+a+6=231

7a+21=231

7a=231-21

7a=210

a=210:7

a=30

b=31

c=32

d=33

e=34

f=35

g=36

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