Isitampu se-Math roller
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Isitampu se-100 se-Math roller stamp
Esi sisitampu sokuziqhelanisa semathematika esisebenzisa irola ukutshintsha amanani, ukudibanisa, ukuthabatha, ukuphindaphinda, ukwahlula, ukugcwalisa indawo engenanto, njl., isitampu ngasinye ubuncinane i-100 ezahlukeneyo zokuzivocavoca.
