Răspunsuri

2014-09-09T17:28:31+03:00
0,9*|a+3|- \frac{17}{5} |a+b|-9
0,9*|-4+3|- \frac{17}{5} *|-4+5|-9
0,9*1- \frac{17}{5} -9
 \frac{9}{10} - \frac{17}{5} -9
aducem la acelasi numitor
 \frac{9}{10} - \frac{34}{10}- \frac{90}{10}  = \frac{-115}{10} [tex] \frac{-115}{10}
trebuie sa dea un numar zecimal -11,5
-115/10=-11,5
este corect calculul7