（1）（3+2i）³=3³+3×3²×（2i）+3×3×（2i）²+（2i）³=27+54i+9×（-4）+（-8i)=27+54i-36-8i=-9+46i(2) (3+2i）²（2-i）=(9+12i-4)(2-i)=(5+12i)(2-i)=10-5i+24i+12=22+19i...