Puas yog quarter dhau cuaj?

Cov txheej txheem:

Puas yog quarter dhau cuaj?
Puas yog quarter dhau cuaj?
Anonim

Yog li, thaum nws yog 7:15, peb hais tias nws yog "lub quarter dhau los ntawm xya". Los yog thaum nws yog 1:15, peb hais tias nws yog "quarter tom qab ib". Thaum feeb 45, peb hais tias nws yog "lub quarter rau" teev tom ntej. … Yog li thaum 9:30, peb xav hais tias nws yog “ ib nrab cuaj” (los yog ib nrab teev tom qab 9:00).

Lub quarter rau 9 txhais li cas?

Ib lub quarter ntawm ib teev (15 feeb) ua ntej lub sijhawm teev npe (piv txwv li, "quarter ntawm rau" txhais tau tias 5:45). Feem ntau hnov hauv US.

pes tsawg lub quarter dhau los?

Nyob rau ib lub hlis twg ntawm ib teev, feeb tes taug kev ib lub hlis twg ntawm txoj kev ncig lub voj voog. Thaum 'lub quarter dhau los' txhais tes taw rau 3 thiab thaum nws taw qhia rau 9 nws yog 'quarter rau'.

Lub quarter rau 9 lub sijhawm twg?

Raws li tus neeg hais lus tsis yog haiv neeg, Kuv xav txog lub quarter dhau los cuaj (9:15) thiab lub quarter rau cuaj (8:45) nkag siab yooj yim.

Puas yog lub quarter dhau los?

8:15 teev sawv ntxov Nws yog lub quarter dhau los yim teev sawv ntxov 8:15 teev tsaus ntuj Nws yog peb lub hlis twg dhau los yim teev tsaus ntuj

Pom zoo:

Nthuav cov khoom
Puas yog homomorphism tib yam li isomorphism?
Nyeem ntxiv

Puas yog homomorphism tib yam li isomorphism?

Isomorphism yog homomorphism tshwj xeeb. Greek keeb kwm "homo" thiab "morph" ua ke txhais tau tias "zoo tib yam." Muaj ob qhov xwm txheej uas homomorphisms tshwm sim: thaum ib pab pawg yog ib pawg ntawm lwm pawg;

Yuav tau sawv los yog tshwm sim?
Nyeem ntxiv

Yuav tau sawv los yog tshwm sim?

Peb hom tshwm sim yog arise, sawv, arisen. Nws yog siv hauv cov ntsiab lus tseem ceeb: Ib lub sijhawm tshwm sim thiab nws txiav txim siab los ua txoj haujlwm hauv Brussels. Ib qho teeb meem tshwm sim nrog kuv daim ntawv hla tebchaws. Koj siv arose hauv kab lus li cas?

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?
Nyeem ntxiv

Nyob hauv qab ceg cov leeg nqaij gastrocnemius khoov?

Cov leeg nqaij gastrocnemius flexes ko taw ntawm pob qij txha- uas yog nws ua rau taw taw ko taw nqes los ntawm khoov nws ntawm pob taws pob taws, xws li thaum koj sawv ntawm koj. cov ntiv taw. Qhov kev txiav txim no hu ua plantar flexion. Lub gastrocnemius kuj flexes ceg ntawm lub hauv caug sib koom.