PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 2
gan.. Mau tanya ini gimana caranya ya...? http://latex.codecogs.com/gif.download?%5ctext%7b1.&space;%7df%5cleft&space;%28x&space;%5cright&space;%29=&space;%5cleft&space;%28&space;1+x&space;%5 cright&space;%29%5cleft&space;%28&space;1-2x&space;%5cright&space;%29%5cleft&space;%281+3x&space;%5crigh...