PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 3
bantu dong gan krg ngerti cara guru ane :http://s.kaskus.id/images/2014/08/07/5842072_201408071210360226.pngingung: http://latex.codecogs.com/gif.latex?%5Cfrac%7B3%5E%7Bx+2%7D-3%5Ex%7D%7B3%5Ex-3%5E%7Bx-1%7D%7D%20%3D%20%5Cfrac%7B9%283%5Ex%29%20-%203%5Ex%7D%7B3%5Ex-%7B%5Cfrac%7B1%7D%7B3%7D