Jawabanmu

2014-09-10T19:20:28+07:00
1. X² + xy -12y² / x² - 16y² =xy-3y²/16y²=xy-3/16
2.x² - 5x + 6 / 2x² + x - 10=-5+6/2x²+x=-1/2x²+x.






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