Răspunsuri

2014-02-24T14:48:09+02:00
A+b+c+d=83
a+b+c+17=83
numerele consecutive pare sunt
a, a+2, a+4 deci
a+a+2+a+4+17=83
3a +23=83
3a=83-23
3a=60
a =60:3
a=20
b=22
c=24
d=17
1 4 1
2014-02-24T14:58:14+02:00
83-17=66
66/2=22 b
22-2=20 a
22+2=24 c
17 d
20+22+24+17=83