Răspuns :
1000a+350+c+1000b+280+d=
=1000(a+b)+c+d + 630 =
=1000 ×31+13+630=31643
=1000(a+b)+c+d + 630 =
=1000 ×31+13+630=31643
1000xa+350+c+1000xb+280+b=
=1000x(a+b)+c+d+630=
=1000x31+13+630=
=31000+13+630=
=31013+630=
=31643
SPER CA TEAM AJUAT
=1000x(a+b)+c+d+630=
=1000x31+13+630=
=31000+13+630=
=31013+630=
=31643
SPER CA TEAM AJUAT