Răspunsuri

2014-01-28T20:11:40+02:00
A+a+1+a+2+a+3+a+4+a+5= 69=> 6a+15=69+6a=54 =>a=9
a+1=10
a+2=11
a+3=12
a+4=13
a+5=14
a+a+5= 9+14=23
  • Utilizator Brainly
2014-01-28T20:15:21+02:00
A+a+1+a+2+a+3+a+4+a+5=69
6a+15=69
6a=69-15=54
a=9
Si le scri consecutiv
metode*
a +a+5=23
2a +5=23
2a=18
a=9
a+1=10
a+2=11
a+3=12
a+4=13
a+5=14
mii de scuze , dar asa e corect
nu-i nici o problema ;)
nu a fos atenta