Question

b) Suma a patru numere consecutive este 90. Aflați numerele.​

Answer 1

x+x+1+x+2+x+3=90 /-6

4x=84 /÷4

x=21

Numerele sunt:

x= 21

x+1=21+1= 22

x+2=21+2= 23

x+3=21+3= 24

Answer 2

a |—| } 90

b |—|-1-|

c |—|-1-|-1-|

d |—|-1-|-1-|-1-|

90 - 6 = 84 ( 4 segmente egale)

84 : 4 = 21 ( un segment)

a = 21, b = 22, c = 23, d = 24