លំហាត់ទី៩!! ទុកពេលឲ្យ១០នាទី!! ^_^
ចាប់ផ្តើមលំហាត់ទី៥, សំរាប់ជើងខ្លាំង!! ^_^
Happy 12/12/12 day, From today onward, i will post the exercises for grade 9 student who want to be part of outstanding student for 2012-2013!! so let check it everyday so that u can do the newest exercise everyday, i will be post both answer so that u can compare your solution with it…
keep trying and do your hardest, then success with come later!