Question

Which expression is equivalent to
(
2
−
1
⋅
2
3
)
−
1
?
(2
−1
⋅2
3
)
−1
?

Answer 1

S
e
e

h
o
w

a
n
n
o
y
i
n
g

v
e
r
t
i
c
a
l

t
e
x
t

i
s
?

Answer 2

-3