2.ab(c-d)=x [d]
暫時只有2題..請答既各位人兄要不時番黎睇下有冇新既題目._."
唔該哂呀~!
更新1:
新題目: 3.A boy uses p% of his money in TV games and Q% of the remaining part in lunch. What is the percentage of his money being used? 之前問過,不過佢答錯左- -"
