(2-3i)/((3+4i)×(2-2i))
(2-3i)/(3×2+3×(-2i)+4i×2+4i×(-2i))
(2-3i)/(14+2i)
((2-3i)×(14-2i))/((14+2i)×(14-2i))
(28-4i-42i+6i^2)/(196-28i+28i-4i^2)
(22-46i)/200=(2(11-13i))/200
11/100-13/100i=0,11-,013i
