Răspuns:
Explicație pas cu pas:
[tex]\large \bf [ - 3 + ( - 6 - 4 + 5) : ( + 3 + 7 - 9)] : ( - 4) =[/tex]
[tex]\large \bf [ - 3 + ( - 5) : ( +1)] : ( - 4) =[/tex]
[tex]\large \bf ( - 3 - 5:1) : ( - 4) =[/tex]
[tex]\large \bf ( - 8) : ( - 4) =[/tex]
[tex]\color{green}\Large \boxed{\bf 2}[/tex]
[tex]\large \bf [ + 8 - ( - 9 + 2 + 5) : ( - 8 + 3 + 4)] : ( - 2) =[/tex]
[tex]\large \bf [ + 8 - ( - 9 + 7) : ( - 8 + 7)] : ( - 2) =[/tex]
[tex]\large \bf [ + 8 - ( - 2) : ( - 1)] : ( - 2) =[/tex]
[tex]\large \bf [ + 8+2 : ( - 1)] : ( - 2) =[/tex]
[tex]\large \bf ( + 8-2 ) : ( - 2) =[/tex]
[tex]\large \bf ( + 6 ) : ( - 2) =[/tex]
[tex]\color{blue}\Large \boxed{\bf -3}[/tex]
[tex]\large \bf [ + 7 - ( - 9 + 7 + 4) : ( - 5 + 4 - 1)] : ( - 2) =[/tex]
[tex]\large \bf [ + 7 - ( - 9 + 11) : ( - 6 + 4 )] : ( - 2) =[/tex]
[tex]\large \bf [ + 7 - ( +2) : ( - 2 )] : ( - 2) =[/tex]
[tex]\large \bf [ + 7 - 2 : ( - 2)] : ( - 2) =[/tex]
[tex]\large \bf (+ 7 +1) : ( - 2) =[/tex]
[tex]\large \bf 8 : ( - 2) =[/tex]
[tex]\color{magenta}\Large \boxed{\bf -4}[/tex]
[tex]\large\bf [ + 1 - ( + 4 - 6 - 7) : ( - 8 + 2 + 3)] : ( - 2) =[/tex]
[tex]\large\bf [ + 1 - ( + 4 - 13) : ( - 8 + 5)] : ( - 2) =[/tex]
[tex]\large\bf [ + 1 - ( -9) : ( - 3)] : ( - 2) =[/tex]
[tex]\large\bf [ + 1 +9 : ( - 3)] : ( - 2) =[/tex]
[tex]\large\bf ( + 1 -3) : ( - 2) =[/tex]
[tex]\large\bf ( -2) : ( - 2) =[/tex]
[tex]\color{indigo}\Large \boxed{\bf 1}[/tex]
==pav38==
