Question

Suma a doua numere este 330 iar catul lor este 3 rest2.Afla numerele

Answer 1

a+b=330; a:b=3, rest 2 => a=3b+2 => 3b+2+b=330 <=> 4b=328 => b=82; a=330-82=3*82+2=248.

Answer 2

a+b=330
a:b=3 rest 2
a=3b+2
3b+2+b=330
4b+2=330
4b=330-2
4b=328
b=328:4
b=82
a=3*82+2
a=246+2
a=248
proba: 248+82=330
            248:82=3 rest 2