Kev hloov khoom lag luam yog qhov sib piv ntawm tus nqi ntawm kev muag khoom ntawm ib qho khoom rau nruab nrab hauv nruab nrab rau qee lub sijhawm. Hauv lwm lo lus, qhov no yog lub sijhawm uas lub sijhawm nruab nrab ntawm cov khoom hauv cov tsev muag khoom tau muag, thiab, yog li ntawd, lub sijhawm rov qab cov nyiaj tau nqis peev rau ntau lawm.
Cov Lus Qhia
Kauj ruam 1
Koj tuaj yeem suav cov txiaj ntsig ntawm cov khoom hauv hnub lossis sijhawm. Thawj qhov xwm txheej, kev hloov pauv qhia tau pes tsawg hnub uas nws yuav siv los muag cov khoom lag luam nruab nrab. Nws yog txhais raws li qhov piv ntawm cov khoom ntawm qhov nruab nrab ntawm cov lus nug thiab cov hnub nyob rau ib hlis rau kev hloov pauv rau lub sijhawm no. Piv txwv, qhov khoom lag luam nruab nrab ntawm cov tshuaj ntxhua khaub ncaws ntxhua khaub ncaws yog 160, thiab muag tau 320. Qhov no txhais tau tias qhov hloov siab yuav yog: 160 * 31/320 = 15.5 (hnub), i.e. nws yuav siv sijhawm li 15.5 hnub los muag cov khoom nruab nrab ntawm cov hmoov no.
Kauj ruam 2
Thov nco ntsoov tias qhov taw qhia tus kheej ib leeg tsis muab cov lus xaus. Nws tau txheeb xyuas hauv kev hloov pauv, piv txwv li, yog tias txoj kev hloov pauv tau 10 hnub, tab sis nws dhau los ua 15, tom qab ntawd qhov no qhia tias nws tsim nyog los txo cov khoom lag luam txawv teb lossis nce muag. Yog tias, ntawm qhov tsis sib xws, qhov ntsuas no poob qis, cov khoom lag luam pib tig nrawm dua.
Kauj ruam 3
Kwv yees cov piv ntawm kev hloov pauv hauv hnub thiab lub sij hawm qiv nyiaj rau cov khoom. Yog tias qiv nyiaj rau 30 hnub, thiab lub sijhawm hloov tawm yog 15 hnub, nws txhais tau tias lub sijhawm no peb yuav rov qab cov nyiaj uas tau nqis peev thiab yuav tuaj yeem them cov nqi. Yog tias qiv nyiaj tau li 10 hnub, thiab kev hloov chaw yog 15 hnub, tom qab ntawd peb yuav tsum siv cov nyiaj qiv nyiaj rov qab los qiv, vim tias kev nqis peev hauv cov khoom yuav tsis rov qab.
Kauj ruam 4
Lwm qhov xaus uas koj tuaj yeem kos los ntawm nqe lus yog kwv yees qhov ntau zaus ntawm kev rov ntim khoom ntawm cov khoom. Nrog cov khoom lag luam xa tawm 15 hnub, cov khoom lag luam yuav tsum tau hloov kho ob zaug hauv ib hlis.
Kauj ruam 5
Tus nqi hloov pauv hauv lub sijhawm qhia tau tias pes tsawg zaus cov khoom muag tau hloov mus rau lub sijhawm, i.e. muag. Nws tau suav raws li qhov sib piv ntawm tig rau lub sijhawm rau nruab nrab ntawm cov khoom lag luam rau lub sijhawm ntawd. Piv txwv li, cov khoom ntawm ntxuav cov hmoov yog 160 pieces, thiab muag - 320 pieces, uas txhais tau tias lub tig yuav sib npaug: 320/160 = 2, i.e. Cov khoom lag luam yuav muab tag nrho muag ib hlis ob zaug.
