Question

Media aritmetica a cinci numere naturale consecutive este 12 afla numerele

Answer 1

ma= (a+b+c+d+e)/5

12= (a+b+c+d+e)/5

a+b+c+d+e= 5•12

a+b+c+d+e= 60 (suma numerelor)

a+a+1+a+2+a+3+a+4= 60

5a+10= 60

5a= 60-10

5a= 50

a= 50/5

a= 10

a= 10

b= 11

c= 12

d= 13

e= 14

Answer 2

(a+a+1+a+2+a+3+a+4):5=12

(5a+10):5=12

5a+10=12•5

5a+10=60

5a=60-10

5a=50

a=50:5

a=10

a+1= 10+1=11

a+2=10+2=12

a+3=10+3=13

a+4=10+4=14

Sper ca te-am ajutat!!!