Question

REPEDE VA ROG!dau coroana​

Answer 1

Răspuns:

(-29/6+3/2)+(7/12-5/4)=

(-29/6+9/6)+(7/12-15/12)=

-20/6-8/12=-40/12-8/12=-48/12=-4

Answer 2

Vom renunța la paranteze, fără a afecta structura exercițiului.

$\it \Big(-4\dfrac{5}{6}+\dfrac{3}{2}\Big)+\Big(\dfrac{7}{12}-1\dfrac{1}{4}\Big)=-\dfrac{^{2)}29}{\ 6}+\dfrac{^{6)}3}{\ 2}+\dfrac{7}{12}-\dfrac{^{3)}5}{\ 4}=\\ \\ \\ =\dfrac{-58+18+7-15}{12}=\dfrac{-48}{12}=-4$