Question

Va rog,ajutati-ma!
-45÷(-3)×(-3)+(-4)×[-20+(-9+25)]÷(-4)=

Answer 1

- 45 : ( - 3 ) x ( - 3 ) + ( - 4 ) x [ - 20 + ( - 9 + 25 ) ] : ( - 4 ) =

= 15 x ( - 3 ) + ( - 4 ) x ( - 20 + 16 ) : ( - 4 ) =

= - 45 + ( - 4 ) x ( - 4 ) : ( - 4 ) =

= - 45 + 16 : ( - 4 ) =

= - 45 - 4 =

= - 49

Answer 2

-45÷(-3)x(-3)+(-4)x[-20+(-9+25)]÷(-4)=

15x(-3)+(-4)x(-20+16)÷(-4)=

-45+(-4)x(-4)÷(-4)=-45+16÷(-4)=-45-4=-49