Lub ntsiab lus ntawm 21A thiab 55B rau cov tua hluav taws yog dab tsi?
Cov ntawv sau qhia txog hom hluav taws tua hluav taws, yog qhov pov thawj muaj hluav taws xob tua hluav taws, A qhia tias hluav taws tua, B pom hluav taws kub; Cov xov tooj sawv cev rau cov hluav taws kub tua hluav taws thiab yog ib qho muaj nuj nqis ntawm cov hluav taws tua hluav taws.
Cov zauv nyob rau hauv pem hauv ntej ntawm cov ntawv qhia sawv cev rau cov naj npawb ntawm cov tuav tau siv los kuaj thiab qhov ntim ntawm cov kua, raws li.
Piv txwv, lub ABC qhuav hmoov tua hluav taws tso nrog 2KG sau hais tias 1 A thiab 21B qhia tau hais tias nws muaj 1 A thiab 21B hluav taws kub extinguishing.
