Răspunsuri

2014-08-23T12:29:18+03:00
2k+2+2k+4+2k+6+2k+8+2k+10=440

10k+30=440

10k=440-30

10k=410

k=41

2k+2=2*41+2=82+2=84

2k+4=2*41+4=82+4=86

2k+6=2*41+6=82+6=88

2k+8=2*41+8=82+8=90

2k+10=2*41+10=82+10=92
1 5 1
Cel mai inteligent răspuns!
2014-08-23T12:38:13+03:00
E simplu.. faci cu segmente. a+(a+2)+(a+4)+(a+6)+(a+8)=440
5a=420
a=84
a+2=86
a+4=88
a+6=90
a+8=92

2 5 2