O-LEVEL A-MATH PRESENTED BY GUO CHENGXI(03-01)

O-LEVEL A-MATH PRESENTED BY GUO CHENGXI(03-01)

8岁郭承曦用英文开讲:初中高级数学A-MATH(03-01)

主讲： 郭承曦（8岁，育民小学二年级)

辅讲： 郭承光（11岁，育民小学五年级)

LECTURER:

GUO CHENGXI( 8 years old, Primary 2 from YUMIN Primary School)

GUO CHENG GUANG (11 years old, Primary 5 from YUMIN Primary School)

内容：Permutation and Combination

      排列和组合

Wechat: Go-Singapore

E-mail: forstudentsg@gmail.com