- គណិតវិទ្យា
- លំហាត់គណិតអនុវត្តន៍
- Age 7-8
-
level: ថ្នាក់ទី២
- Khmer
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លំហាត់គណិតអនុវត្តន៍(វីធីគុណ)
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លំហាត់គណិតអនុវត្តន៍(វីធីគុណ)