Răspuns :
a+b+c=195
a+(a+1)+(a+2)=195
3xa+3=195
3xa=195-3
3xa=192
a=192:3
a=64
b=64+1
b=65
c=64+2
c=66
proba:64+65+66=129+66=195
a+(a+1)+(a+2)=195
3xa+3=195
3xa=195-3
3xa=192
a=192:3
a=64
b=64+1
b=65
c=64+2
c=66
proba:64+65+66=129+66=195
a + b + c= 195
a + a +1 + a + 2 = 195
3 x a = 195 - 3
3 x a = 192
a = 192 : 3 b = 64 + 1 c = 64 + 2
a = 64 b = 65 c = 66
a + a +1 + a + 2 = 195
3 x a = 195 - 3
3 x a = 192
a = 192 : 3 b = 64 + 1 c = 64 + 2
a = 64 b = 65 c = 66