កំណែគណិតវិទ្យាថ្នាក់ទី៨

8th grade math version for study aid

8th grade math version to supplement the study of science in real science.

In order for the study to be successful, it is necessary to read more, practice the exercises twice a day and listen to the teachers while studying in the classroom, especially to be good children, good students and good young men and women to be the successors. The nation's bamboo to develop more and more in the Internet age.