Jawapan

2015-08-16T19:52:17+08:00
2/3 darab 450=300 300bahagi2=150 150-20=30  jawapannya 30
1 5 1
2015-08-17T18:19:10+08:00
2/3x450=jawapan bahagi 2=jawapan+20=170

1 5 1