Răspuns :
a + b + c = 33
a |-----|
b |-----|+1
c |-----|+2 } total = 33
33 - 1 - 2 = 30 ( egalarea părților)
30 : 3 = 10 ( a )
10 + 1 = 11 ( b )
10 + 2 = 12 ( c )
proba : 10 + 11 + 12 = 33
Răspuns:
a
a+1
a+2
a+3
a______
a+1______._______
a+2______._______._______
a+a+1+a+2=33
3a+3=33|÷3
a+1=11
a=11-1
a=10
a+1=10+1=11
a+2=10+2=12
10+11+12=33