- คณิตฯพื้นฐานอาชีพ
- ค่าเฉลี่ยเลบคณิต
- Age 17+
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level: ปวช.2
- Thai
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don't use for selling
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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