Cov khoom siv hlau nplaum

Cov khoom sib nqus tau siv dav hauv ntau qhov chaw, suav nrog kev lag luam, kev kho mob, kev ua neej hauv tsev, kev sib txuas lus hauv hluav taws xob thiab kev thauj mus los. Lawv muaj kev ntseeg siab, ruaj khov hlau nplaum, txuag hluav taws xob, kev tiv thaiv ib puag ncig, kev nyab xeeb zoo thiab kav ntev. Lawv txhawb ntau yam kev hloov kho, txawm tias cov duab geometric yooj yim lossis cov duab nyuaj, lawv tuaj yeem ua raws li qhov xav tau, yog li ua kom haum rau ntau yam kev thov.