Question

2- Calcule o valor das expressões:
a)-[-(-8)] =
b)-[-(-6 + 9)]
c) - 10 + 7 + [-(-9)]
d)(-5) + [-(-4)]
e) - (-(2 + 4)]
f) - [10 + (-8)]
g) 0-4 -8 +3
h)-[-2-1-3]
i)35 + 7 + (-12-18 +2 - 1) - 16) =​

Answer 1

i)R:35+7+(-6+1)-16)

=35+7+(-7-16)

=35+7+9

=35+16

=51,,