មាតិកាសំខាន់
លេខនព្វន្ធ
Course: លេខនព្វន្ធ > Unit 4
Lesson 10: ការបូកនិងដកចំនួនចំម្រុះដែលមានភាគបែងខុសគ្នា- ការបូកចំនួនចម្រុះៈ 19 3/18 + 18 2/3
- ដកចំនួនចម្រុះៈ 7 6/9 - 3 2/5
- បូកនិងដកចំនួនចម្រុះដែលមានៅភាគបែងខុសគ្នា (គ្មានការដាក់ជាក្រុមឡើងវិញ)
- ការបូកចំនួនចម្រុះមានត្រាទុក
- ដកចំនួនចម្រុះមានត្រាទូក(ភាគបែងខុសគ្នា)
- បូកនិងដកចំនួនចម្រុះដែលមានៅភាគបែងខុសគ្នា (ការដាក់ជាក្រុមឡើងវិញ)
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ដកចំនួនចម្រុះៈ 7 6/9 - 3 2/5
ដកលេខ 3 2/5 ពី 7 6/9 ដោយសរសេរចំនួនចម្រុំឡើងវិញឲ្យមានភាគបែងដូចគ្នា ។ បានបង្កើតដោយ Sal Khan ។
ចង់ចូលរួមការសន្ទនា?
មិនទាន់មានប្រកាសនៅឡើយ
Video transcript
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