Question

1_ 4+5[2+3(4-9)+2]-1 =
2_ 4-3+2+[-5+3-(2-4)-2]+3-1 =
3_ -2-3-[4+3-(12+8)-4+1]-3-4 =
4_ -4+{3[-2-1+(4+3-2)]-1} =

AYUDA PORFAVOR

Answer 1

Respuesta:

1.- -52

2.- 3

3.- 4

4.- 2

Explicación paso a paso:

1.- 4+5[2+3(4-9)+2]-1

= 4+5[2+3(-5)+2]-1

= 4+5(2-15+2)-1

= 4+5(-11)-1

= 4-55-1

= - 52

2.- 4-3+2+[-5+3-(2-4)-2]+3-1

= 4-3+2+[-5+3-(-2)-2]+3-1

= 4-3+2+(-5+3+2-2)+3-1

= 4-3+2+(-2)+3-1

= 4-3+2-2+3-1

= 3

3.- -2-3-[4+3-(12+8)-4+1]-3-4

= -2-3-(4+3-20-4+1)-3-4

= -2-3-(-16)-3-4

= -2-3+16-3-4

= 4

4.- -4+{3[-2-1+(4+3-2)]-1}

= -4+[3(-2-1+5)1]

= -4+[3(2)1]

= -4+6

= 2