Question

Dacă adun cinci numere consecutive impare voi obține 35 numărul mijlociu este​

Answer 1

Răspuns:

a+b+c+d+e=25

a,b,c,d,e=numere consecutive impare

a,b.c,d,e=?

a=1segment

b=1segment+2

c=1segment+2+2

d=1segment+2+2+2

e=1segment+2+2+2+2

25-20=5(5segmente.egale)

5÷5=1(a)

1+2=3(b)

1+2+2=5(c)

1+2+2+2=7(d)

1+2+2+2+2=9(e)

R:5-numar mijlociu