Question

Suma a cinci nr naturale consecutive este 355 . Aflati numerele . am nevoie de raspuns urgent si daca se poate sa fie rezolvata prin segmente .

Answer 1

|----| ( primul nr )
|----|-1-| ( al doilea nr )
|----|-1-|-1-| ( al treilea nr )
|----|-1-|-1-|-1-| ( al patrulea nr )
|----|-1-|-1-|-1-|-1-| ( al cincilea nr )
suma=355

1) Egalizăm mărimile .
355-1-1-1-1-1-1-1-1-1-1=345

2) Aflam primul numar .
345:5=69

3) Aflam al doilea numar .
69+1=70

4) Aflam al treilea numar .
70+1+=71

5) Aflam al patrulea numar .
71+1+=72

6) Aflam al cincilea numar .
72+1+=73

Answer 2

a) |---|                                                           |-| = +1
b) |---|-|
c) |---|-|-|
d) |---|-|-|-|
e) |---|-|-|-|-|
|---| = a
a+b+c+d+e=355
a+(a+1)+(a+2)+(a+3)+(a+4)=355
5a+10=355
5a=345
a=345:5
a=69
BAFTA