Hellow guys, Welcome to my website, and you are watching ແກ້ບົດເຝີກຫັດ ຄະນິດສາດ ມ.4 ( ບົດທີ 26ໂກຊິນ, ຊິນ ແລະ ຕັງຂອງມຸມລະຫວ່າງ 𝟎 ອົງສາ ຫາ 180 ອົງສາ ). and this vIdeo is uploaded by ສອນ ຄະນິດສາດ channel at 2021-04-30T22:21:34-07:00. We are pramote this video only for entertainment and educational perpose only. So, I hop you like our website.