Question

1. {5 + [ - 8 (-3 + 6)]}
2. {1 - [6(9-12)] - [-3(2-5)]}
3. {-25 + [2(4-5)] – [-7(9-3)]}
ayudaaaaaaaaaaa

Answer 1

Explicación paso a paso:

1. {5 + [ - 8 (-3 + 6)]}

{5 + [ - 8 (3)]}

{5 + [ - 24]}

{5 - 24}

-19 Rpta

2. {1 - [6(9-12)] - [-3(2-5)]}

{1 - [6(-3)] - [-3(-3)]}

{1 - [-18] - [9]}

{1 + 18 - 9}

19 - 9

10 Rpta

3. {-25 + [2(4-5)] – [-7(9-3)]}

{-25 + [2(-1)] – [-7(6)]}

{-25 + [-2] – [-42]}

{-25 -2 +42}

-27 + 42

15 Rpta

Answer 2

Respuesta:

1)- 19  2)10 3)69

Explicación paso a paso:

1. {5 + [ - 8 (-3 + 6)]}

{5 + [ - 8.3]}

{5 + [-24]}    

[5-24]

-19

2.  {1 - [6(9-12)] - [-3(2-5)]}

{1- [6.(-3)]- [-3.(-3)]}

{1-(-18)-(9)}

10

3. {-25 + [2(4-5)] – [-7(9-3)]}

{-25+[2.(-1)]-[-7.6]}

{-25+[-2]-[-42]}

{-25-2-42}

15