dab tsi loj rau 2 × 4 coj vaj huam sib luag teeb?

dab tsi peb hu 2 × 4 coj vaj huam sib luag teeb, qhov loj ntawm nws yog dab tsi?

peb hu hom vaj huam sib luag no 60120.

yog 3030 vaj huam sib luag yog 1 x 1 vaj huam sib luag, 60120 yog 2 x 4 vaj huam sib luag, nws muaj li ntawm 8 pcs 3030.

peb yog cov chaw tsim khoom ntawm cov vaj huam sib luag coj, peb tsim ua hom/tiaj/hom rov ua dua.

xav paub ntau ntxiv, thov mus saib peb lub vev xaib kom paub meej ntxiv.