Question

nesesito ayuda es para hoy
a) (–3) · [(–2) + (– 4)] =
b) 12 – [13 – (–7)] : (–5) =
c) (+6) : [(+5) – (+7)] =
d) 10 – (+20) : [7 + (–3)] =

Answer 1

Explicación paso a paso:

A (-3) . [ (-2) + (-4)] =

(-3) . 6 = -18

B 12- [13 - (-7)] : (-5) =

12 - 6 : (-5) =

12 + (-30)= -42

C (+6) : [(+5) - (+7)] =

(+6) : 7 = 0.8

D 10 - (+20) : [7 + (-3)] =

10 - (+20) : (-10) =

10 - (-2) = -8