??:?1?(1000g)

??:??100g????50g???50g??10g??10g???5g????10g???1?(1g)

??:?30ml???10ml???15g??5g??10g???25ml???5ml??600g

1? ??????????; ?????????????30??;???????????????,????,?????;

2?????????????????????????????????????????;

3???:???????????????????;

4????;????,

5?   50????????

????,????,????????,???????????;