[ Daim ntawv qhia ] [ Ntawv nyeem ]: [ Lub Hom Phiaj ]

☞ x ≔
Daim ntawv qhia tshiab
aaa: 11,90,
bbb: 12,99,
ccc: 13,00.
✎ sau ntawv: ( x ? ‘aaa’ ), tsum.
✎ sau ntawv: ( x ccc ), tsum.
11,9
13