Check your understanding
You may take this quiz as often as you need but you must obtain 80% in order to pass.
Completion requirements:
- ទទួលបានពិន្ទុ
ពេលវេលាកំណត់ ៖ 20 នាទី
វិធីដាក់ពិន្ទុ៖ ពិន្ទុខ្ពស់បំផុត
ពិន្ទុជាប់៖ 8.00 លើ 10.00