- คณิตศาสตร์พื้นฐานอาชีพ
- ตารางแจกแจงความถี่
- Age 15+
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level: ปวช.2
- Thai
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Author's Instructions
DON'T USE FOR SELLING
level: ปวช.2
DON'T USE FOR SELLING
DON'T USE FOR SELLING