又係我!Maths 功課T^T唔識做!help!
http://i34.tinypic.com/2rnv3hg.jpg
http://i35.tinypic.com/zxa2hu.jpg
http://i35.tinypic.com/2hcltlv.jpg
http://i38.tinypic.com/23hndkh.jpg
http://i34.tinypic.com/sm9bbk.jpg
http://i36.tinypic.com/1175ov6.jpg
http://i36.tinypic.com/2v26pme.jpg