yuav ua li cas calulate lub hnab tsho hnab tsho

Yuav ua li cas los laij cov nqi T Lub Hnab Tawv Nqi?
Hnab yas nqi = ntev * dav * cov khaubncaws sab nraud povtseg * tuab * kev faib * cov nqi ntawm ib kilogram.

Piv txwv: muaj ob txheej txheej 40cm ntev, 30cm dav, 0.04 hli thickness PP khoom hnab, PP khoom nqi yog 14600 RMB ib tuj, qhov feem cuam yog 0.91.
Lub hnab nyiaj = 0.4 * 0.3 * 2 * 0.04 * 0.91 * 14.6 = 0.1275 RMB

Yeej yuav muaj qee yam pov tseg rau hauv ntau lawm, peb nquag teem lub tswv yim ua 1.
Ces lub hnab nyiaj = 0.4 * 0.3 * 2 * 0.04 * 1 * 14.6 = 0.14 RMB

Nyob rau lwm sab tes yuav tsum yog tus nqi ntawm cov nqi hluav taws xob, cov neeg ua haujlwm cov neeg ua haujlwm, cov nqi siv nyiaj, cov nqi hluav taws xob, cov nqi khoom siv tsis raug nqi, cov qauv nqi, thiab lwm yam.