3x(2/3)= 2
1. x = 0.66666....
2. 10x = 6.66666...
2-1
10x - x = 9x = 6.66666... - 0.66666 = 6
x = 6/9=2/3
• 我的方法3。你绕了一圈,还是同一个问题,何以10x=6.666。。。? -兄贵- ♂ (0 bytes) () 07/01/2013 postreply 09:55:08
• You win :) -yddad- ♂ (0 bytes) () 07/01/2013 postreply 10:19:35