Find how many three-letter words can be formed out with the letters of the word equations
10+10(30*10)-20/5
solve (-a)^(b-c)
Nonzero real numbers
x
x,
y
y,
z
z are such that
2
−
=
.
−yz=y
2...
x^-1/6 * x
solve (-1)^(n-1)
(12+x)×9=$144^{2}$
x^1/6 * x
solve (-1)^n-1
$^{}w$
$^{}$
