Răspuns :
[–3+(–6–4+5):(+3+7–9)]:(–4) = 2
[-3+(-10+5):(10-9)] : (-4)
[-3+(-5):(+1)] : (-4)
(-3-5):(-4)
(-8) : (-4) = 2
[+8–(–9+2+5):(–8+3+4)]:(–2) =
[8-(-7+5) : (-5+4) ] : (-2)
[8-(-2) : (-1)] : (-2)
(8-2) : (-2)
6 : (-2)
-3
[+7–(–9+7+4):(–5+4–1)]:(–2) = -4
[ 7-(-2+4) : (-1-1)] : (-2)
[7-(+2) :(-2) ] : (-2)
[7-(-1) ] : (-2)
8 : (-2)
-4
[+1–(+4–6–7):(–8+2+3)]:(–2) = 1
[1-(-2-7) : (-6+3)] : (-2)
[1-(-9) : (-3)] : (-2)
(1-3) : (-2)
(-2) : (-2)
1
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) : ( - 4) =[/tex]
[tex]\large \bf ( - 8) : ( - 4) =[/tex]
[tex]\color{red}\Large \boxed{\bf 2}[/tex]
[tex]\large \bf [ + 8 - ( - 9 + 2 + 5) : ( - 8 + 3 + 4)] : ( - 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 - 2 : ( - 2)] : ( - 2) =[/tex]
[tex]\large \bf (+ 7 +1) : ( - 2) =[/tex]
[tex]\large \bf 8 : ( - 2) =[/tex]
[tex]\color{indigo}\Large \boxed{\bf -4}[/tex]
[tex]\large\bf [ + 1 - ( + 4 - 6 - 7) : ( - 8 + 2 + 3)] : ( - 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{orangered}\Large \boxed{\bf 1}[/tex]
==pav38==