| Lelu | 2007-11-07 09:42 |
| Both a and b have same no. of candy = x. a gives 2 candies to b = x-2. b gets 2 candies from a = x+2. b has 2 times of candy more than a. 2(x-2)=x+2 x=6 |
| Tracyivy | 2007-11-07 00:50 |
| a糖數量=b糖數量, a比了2粒糖b後, b=a的2倍, 請問a和b的答 案, tks a lot! |
| Lelu | 2007-11-07 09:42 |
| Both a and b have same no. of candy = x. a gives 2 candies to b = x-2. b gets 2 candies from a = x+2. b has 2 times of candy more than a. 2(x-2)=x+2 x=6 |
