000 00334nam a22001457a 4500
020 _a9780190709686
040 _cPK-LaCSN
082 _aT 510
_bHUI-M
100 _aHui Chang Suo,
245 _aPrimary mathematics 4
300 _3Textbook
_a265
_bIllustration
_c28 cm
490 _3Textbook
942 _2ddc
_cTB
999 _c874245
_d874222