PROBLEM SOLVING - tempat bertanya PR Kaskuser (SD, SMP, SMA) - Part 3
wah gan, ane udah substitusiin, dapetnya gini http://latex.codecogs.com/gif.latex?(ab)^{3}&space;+&space;(3ab)^{2}&space;=&space;k^{2} http://latex.codecogs.com/gif.latex?k&space;=&space;ab&space;\sqrt{ab+9} nah berati http://latex.codecogs.com/gif.la