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Suma a 5 numere consecutive este 95.Sa se afle.


Răspuns :

a |-----|
b |-----|1|
c |-----|1|1|
d |-----|1|1|1|
e |-----|1|1|1|1|    } 95.

95 - (1+1+1+1+1+1+1+1+1+1)= 95 - 10 = 85 ( 5 segmente egale cu a)
85 : 5=17 ( a)
17 + 1= 18 (b)
17+1+1=19 (c)
17+1+1+1=20 (d)
17+1+1+1+1=21 (e)
Verificare: 17+18+19+20+21 = 95.
_____  = 17
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95 - 10=85  85 :5=17  (17,18,19,20,21)