Question

a) [(+18)+(-13)]+(-16) = b) [(+23)+(-18)]+(-19)= c) [(-31)+(+12)]+(+15) = d) [(+25)+(-15)]+(-18) =​

Answer 1

Explicación paso a paso:

a)

$18 - 13 - 16$

$5 - 16 = - 11$

b)

$23 - 18 - 19$

$5 - 19 = - 14$

c)

$- 31 + 12 + 15$

$- 31 + 27 = - 4$

d)

$25 - 15 - 18$

$25 - 33 = - 8$