Question

a+b+c=243 cosecutive
afla nr
te rog repede ​

Answer 1

a+b+c= 243

b=a+1

c=a+2

a+a+1+a+2=243

3a+3=243

3a=243-3

3a=240

a=240:3

a= 80

b=81

c=82

Answer 2

Răspuns:

a

b=a+1

c=a+2

a+b+c=a+(a+1)+(a+2)=3a+3=243 => 3a=240 => a=80, b=81, c=82