Răspuns :
Răspuns:
Explicație pas cu pas:
b = a + 8
b = c - 8
c = b + 8 = a + 8 + 8 = a + 16
a + b + c = a + a + 8 + a + 16 = 3a + 24
media aritmetica = (a + b + c) : 3 = (3a + 24) : 3 = 3a : 3 + 24 : 3 = a + 8
a + 8 = 27
a = 27 - 8 = 19
b = 19 + 8 = 27
c = 27 + 8 = 35
a+b+c=27
b=a+8
b=c-8
a |————|
+8
b |————|- - - -|
+8 +8
c |————|- - - -|- - - -|
8•3=24
27-24=3
3:3=1 (a)
1+8=9 (b)
9+8=17 (c)
V: 1+8+17=27
b=a+8
b=c-8
a |————|
+8
b |————|- - - -|
+8 +8
c |————|- - - -|- - - -|
8•3=24
27-24=3
3:3=1 (a)
1+8=9 (b)
9+8=17 (c)
V: 1+8+17=27