Dab tsi yog tsev neeg qhov tseeb rau 3/5 thiab 15?
Dab tsi yog tsev neeg qhov tseeb rau 3/5 thiab 15?

Video: Dab tsi yog tsev neeg qhov tseeb rau 3/5 thiab 15?

Video: Dab tsi yog tsev neeg qhov tseeb rau 3/5 thiab 15?
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Piv txwv li, nrog cov lej 3, 5 thiab 15 , cov tsev neeg tseeb 3 * 5 = 15 5 * 3 = 15 15 ÷ 5 = 3 15 ÷ 3 = 5 Pom kev sib txuas?

Kuj nug, tsev neeg qhov tseeb rau tus lej 15 yog dab tsi?

5 + 10 = 15 yog, 10 + 5 = 15 . Nov yog ob kab lus ntxiv rau qhov no tsev neeg tseeb.

Ib yam li ntawd, tsev neeg qhov tseeb yog dab tsi rau 6 9 15? Ib yam li ntawd, 15 - 6 = 9 (' 9 ' kuj yog tus tswv cuab ntawm qhov muab tsev neeg ). Li no 6 , 9 thiab 15 form ib tsev neeg tseeb vim lawv tsim kev sib npaug ntawm lawv tus kheej!

Kuj Paub, dab tsi yog tsev neeg qhov tseeb rau lej?

A tsev neeg tseeb yog ib pab pawg lej qhov tseeb siv tib tus lej. Nyob rau hauv cov ntaub ntawv ntawm ntxiv / rho, koj siv peb tus lej thiab tau txais plaub qhov tseeb. Piv txwv li, koj tuaj yeem tsim ib qho tsev neeg tseeb siv peb tus lej 10, 2, thiab 12: 10 + 2 = 12, 2 + 10 = 12, 12 − 10 = 2, thiab 12 − 2 = 10.

Dab tsi yog qhov tseeb tsev neeg ntawm 3?

Tsev neeg tseeb : Nws yog ib txheej ntawm plaub qhov sib npaug thiab faib qhov tseeb uas siv peb tus lej tib yam. Piv txwv li: Cov tsev neeg tseeb rau 3 , 8 thiab 24 yog ib txheej ntawm plaub qhov sib npaug thiab faib qhov tseeb. Qhov thib ob yog qhov tseeb qhov tseeb, qhov thib ob yog qhov tseeb qhov tseeb.

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