Question

a) =8=7
b) A+3
c) -10+5
d) -2-8
c)-9-12
f) -8+8

Answer 1

a) =8=7 ?
b) A+3 = A + 3
c) -10+5 = -5
d) -2-8 = -10
c)-9-12 = -21
f) -8+8 = 0

Answer 2

Olá, bom dia! ☺

Bem, vamos lá ...

Prezado amigo (a), com base no enunciado acima, podemos compreender que:



$\displaystyle \mathsf {a) =8=7}$

$\displaystyle \mathsf {b) A+3}$

$\displaystyle \mathsf {c) -10+5 = -5}$

$\displaystyle \mathsf {d) -2-8 = -10}$

$\displaystyle \mathsf {e)-9-12 = -21}$

$\displaystyle \mathsf {f) -8+8 = 0}$