Răspunsuri

2014-04-23T15:12:21+03:00
A+a+2+a+4+a+6+a+8=60
4a+20=60
4a=40
a=10
b=a+2=12
c=a+4=14
d=a+6=16
e=a+8=18

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  • Utilizator Brainly
2014-04-23T15:13:39+03:00
A.I___I
b.I___I+2
c.I___I+2+2
d.I___I+2+2+2
e.I___I+2+2+2+2

 Suma este 60. Aflam suma partilor egale :
 60-20=40
 40:5=8 ( nr. a )
 8+2=10 ( nr. b )
 8+4=12 ( nr. c )
 8+6=14 ( nr. d )
 8+8=16 ( nr.e )
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