Question

suma a 4 numere consecutive este 166. care sunt numerele?

Answer 1

$a+a+1+a+2+a+3=166$
$4a+6=166$
$4a=166-6$
$4a=160$
$a=160:4$
a=$a=40 ; a +1=41;a+2=42;a+3=43$
$Proba=40+41+42+43=166--\ \textgreater \ CORECT$

Answer 2

a+a+1+a+2+a+3=166
4a+6=166
4a=166-6
4a=160
a=160:4=40
a=40
b=40+1=41
c=40+2=42
d=40+4=43
40+41+42+43=166(verificare