Question

Efectua eliminando signos de agrupación 2+(3-6)= 2+4-(2+3)+1= 3+[5+(6-2+1)-3]+4= 7-{9+[3-(8+2-5)-4]+1}= 2-[8-(9-(9-4+1)+2]=

Answer 1

Respuesta:

Explicación paso a paso:

a)2+(3-6)= -1

2+(-3)

2-3

-1

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

   6-5+1

   1+1

    2

c) 3+[5+(6-2+1)-3]+4= 14

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

3+[5+5-3]+4

3+(10-3)+4

3+7+4

14

d) 7-{9+[3-(8+2-5)-4]+1}= 3

7-{9+[3-(10-5)-4]+1}

7-{9+[3-5-4]+1}

7-[9+[-2-4]+1]

7-{9+(-6)+1}

7-(9-6+1)

7-(3+1)

7-4

3

e) 2-{8-[9-(9-4+1)]+2}=

   2-{8-[9-(5+1)]+2}

  2-[8-(9-6)+2]

2-[8-3+2]

2-(5+2)

2-7

-5