M = {e, g, j}
A = {c, f, g}
3.1+3.X+3-2
A{c, f, g}
(-2)*4*(+3)*(-1)
$3^{b}$ = 16777216
is sqrt(5) rational or irrational
3/4-1/8-1/2
A = {5, 6, 7}
J = {0, 1, 2, 5, 8}
240−(70.21−j106.72)×(0.15+j0.05)
f