Teb: 4/6, 6/9, 8/12, 10/15 … yog sib npaug rau 2/3. Tag nrho cov feem uas tau los ntawm kev muab ob qho tib si tus lej thiab tus lej ntawm 2/3 los ntawm tib tus lej yog sib npaug rau 2/3. Tag nrho cov feem sib npaug tau txo qis rau tib feem hauv lawv daim ntawv yooj yim tshaj plaws.
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).
pes tsawg zaus sib npaug li 2/3 rau menyuam yaus?
Factions sib npaug rau 2/3: 4/6, 6/9, 8/12, 10/15 thiab lwm yam … Fractions sib npaug rau 1/4: 2/ 8, 3/12, 4/16, 5/20 thiab lwm yam … Feem ntau sib npaug rau 2/4: 4/8, 6/12, 8/16, 10/20 thiab lwm yam … Cov seem sib npaug rau 3/4: 6/8, 9/12, 12/16, 15/20 thiab lwm yam …
2/3 yog dab tsi?
Txhawm rau hloov cov feem mus rau ib xees, koj tsuas yog yuav tsum muab cov feem los ntawm 100 thiab txo nws mus rau ib xees. Hloov 2/3 rau ib xees. Yog li ntawd, txoj kev daws yog 66%.
pes tsawg qhov loj dua 2 3 lossis 4 6?
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 hais tias 2/3 tsis tshaj 4/6
