Question

Me pueden dar las respuestas plis
5+(-12)=[-3-12]=
3-[4-(5-7)]-{9-[5(-4)1}
-6/4+3/6=
-9/5-3/4=

Answer 1

Explicación paso a paso:

5 + (-12) = - 7

(-3 - 12) = - 15

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

= 3 - [4 - (-2)] - [9 - (-20)]

= 3 - [(4 + 2)] - (9 + 20)

= 3 - (6 - 29)

= 3 - (-23)

= 3 + 23

= 26

-9/5 - 3/4

= - 36 - 15 = - 51/20

20