Yog, feem ntau, " tsawg dua" txhais tau tias rho tawm, tab sis qee cov lus nug yuav sim dag koj! Nco ntsoov nyeem cov teeb meem kom zoo!
Tus lej tsawg txhais li cas?
Ntau me me lossis ntau npaum li cas. Kev ua lej lej rau menyuam yaus.
txhais li cas thaum nws hais tias tsawg npaum li cas?
Qhov ntawd yog vim tias lo lus "ntau" yog siv nrog cov khoom suav tau (discrete lossis cais chaw), xws li tib neeg, pebbles thiab polliwogs. Yog li thaum koj tab tom hais txog qhov txo qis ntawm cov khoom suav tau, " ntau tus neeg tsawg " (los yog pebbles lossis polliwogs) yog qhov kev xaiv raug.
lo lus tsawg dua txhais li cas?
: tsawg kawg - siv los qhia tias tus lej lossis tus lej loj txaus ntshai Tsis pub tsawg dua 1,000 tus neeg tuaj koom lub rooj sib tham. Tsis tsawg dua 80 feem pua ntawm cov neeg pov npav xaiv tsa tawm rau qhov tseem ceeb.
5 tsawg txhais li cas?
Plag: Tsib tsawg dua tus lej (x) txhais tau tias 5 raug rho tawm (sub) ntawm tus lej ntawd.
