Question

1. - [45÷(-5)+3.(7-2)]+8

2. 17-(-4).5+18÷(-9)-8

3. [15-(-3).4].(-2)-8.(-4)+1​

Answer 1

Explicación paso a paso:

1. - [45÷(-5)+3.(7-2)]+8

-[(-9)+3.5]+8

-[(-9)+15]+8

-6+8= 2

2. 17-(-4).5+18÷(-9)-8

17-(-20)-2-8

17+20-2-8= 27

3. [15-(-3).4].(-2)-8.(-4)+1

[15-(-12)].(-2)+32+1

[15+12].(-2)+32+1

27.(-2)+32+1

-54+32+1 = -21