Dab tsi yog ib feem khoom hauv lej?
Dab tsi yog ib feem khoom hauv lej?

Video: Dab tsi yog ib feem khoom hauv lej?

Video: Dab tsi yog ib feem khoom hauv lej?
Video: tshaajsawm yaaj nkauj tawm tshab ib feem kaum rua vaajtswv 2024, Kaum ib hlis
Anonim

cov khoom ib nrab . A khoom tsim los ntawm kev muab tus lej sib npaug los ntawm ib tus lej ntawm tus lej sib npaug thaum tus lej muaj ntau tshaj ib tus lej.

Tsis tas li ntawd, koj yuav nrhiav tau cov khoom ib nrab li cas?

Nrhiav Cov khoom ib nrab Cov cov khoom ib nrab txoj kev suav nrog kev sib faib txhua tus lej ntawm tus lej nyob rau hauv lem nrog txhua tus lej ntawm lwm qhov uas txhua tus lej tuav nws qhov chaw.

Ib yam li ntawd, cov khoom ib nrab ntawm 42x28 yog dab tsi? Sau cov khoom ib nrab ntawm 42 x 28

  • Cov khoom ib nrab ntawm. yog 800, 320, 40, 16 thiab lawv cov lej yog 1176.
  • Yog li ntawd cov khoom ib nrab ntawm. yog 800, 320, 40 thiab 16.

Ntxiv mus, cov khoom ib nrab ntawm 35x7 yog dab tsi?

Teb Cov Kws Tshaj Lij Tshaj Lij Tshaj Tawm Tom qab ntawd tus cov khoom ib nrab yog: 7 * 5 = 35 thiab 7 * 30 = 210, yog li tag nrho khoom yog qhov sum ntawm cov khoom ib nrab : 35 + 210 = 245.

Cov khoom piv txwv yog dab tsi?

Kev txhais lus rau cov khoom ib nrab A khoom tsim los ntawm kev muab tus lej sib npaug los ntawm ib tus lej ntawm tus lej sib npaug thaum tus lej muaj ntau tshaj ib tus lej. Rau piv txwv , cov khoom ntawm 67 thiab 12 tuaj yeem suav ua tus lej ntawm ob cov khoom ib nrab , 134 (67 X 2) + 670 (67 X 10), los yog 804.

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