Ob feem peb yog sib npaug rau plaub-rau. Cov feem peb-plaub, rau-yim, thiab cuaj-kaum kaum yog sib npaug.
pes tsawg yog 2/3 sib npaug rau?
Ib feem sib npaug ntawm ob feem peb (2/3) yog kaum rau nees nkaum plaub (16/24).
Puas yog 4 thib rau loj dua 2 feem peb?
Ntawm no yog tus lej tsawg tshaj plaws uas tuaj yeem muab faib los ntawm 3 thiab 6. Hauv qhov no, tus lej qis tshaj plaws yog 6. … Tam sim no cov lej no tau hloov pauv kom muaj tib tus lej, peb tuaj yeem pom meej los ntawm saib cov zauv uas 4 tsis tshaj 4 uas kuj txhais tau tias 2/3 tsis tshaj 4/6
pes tsawg yog 2 4 sib npaug rau?
Factions sib npaug rau 2/4: 4/8, 6/12, 8/16, 10/20 thiab lwm yam … Fractions sib npaug rau 3/4: 6/ 8, 9/12, 12/16, 15/20 thiab lwm yam … Feem ntau sib npaug rau 1/5: 2/10, 3/15, 4/20, 5/25 thiab lwm yam … Cov seem sib npaug rau 2/5: 4/10, 6/15, 8/20, 10/25 thiab lwm yam …
Puas yog 2 feem peb zoo ib yam li lub quarter?
Ib feem yog ib feem ntawm tag nrho, xws li ib nrab (1/2), ib feem peb (1/3), ob feem peb (2/3), ib lub quarter(1/4), thiab lwm yam. Piv txwv li, ib nrab ntawm cov kua txiv hmab txiv ntoo yog ib feem ntawm cov kua. Ib feem tuaj yeem nthuav tawm hauv daim ntawv a / b, qhov twg tus lej saum toj kawg nkaus, a, hu ua tus lej; tus lej hauv qab, b, hu ua tus denominator.
