Question

simplifique as expressões 0,9ab³ + 2,5ab³- 5,2ab³

Answer 1

0,9ab³ + 2,5ab³- 5,2ab³= - 1,8ab³
_0,9ab³
+2,5ab³
_____
_3,4ab³
_
-5,2ab³
_3,4ab³
______
- 1,8ab³

Um abraço.