1、5复数的几何意义6的教学设计与教学反思芮玉贵( 2 210006)1 V L c1. 1 N !P, 5=: 1545 MC 7Z5. 1637M, 5:9 7Z / V p0,“ / 0( BM). 1799 M + d,i O:(1)/ 5L 5 ( )( A) =, L L;( B) =,B ;( C) =, L L ;( D) =, B .(2) z zW I 1“?= 2X z 1= 3+ 4i, z 2= - 1+ 5i, k1 vl.= 3( 1) | z | = 5( z I C) z |8“m?(2) 3(1)X zZ, | z - (1+ 2i) | V U+ il.(2)
2、 z T| z - 1 | = 5,5z “ I m?(3) !z 1, z 2 I C, | z 1| = | z 2| = 1, | z 2+ z 1 | =2,5| z 2- z 1| =1. 4 9Q ,P4=: F t l? 1+ il t? t XZE?3: 1+ il B: V AT , V AT _ ; | z|+ il, FEahE+ il#| z 2 - z 1 |+ il.3: 1 XZE; BB X; X XZE.=: 1. L ?, X 1 V V U,7 _ 34 数学通报 2010年 第49卷 第9期 T, B_=?Z X, H LC V/ 0/0, 1 _ Fh
3、E, FhE+ il,V7 M.2.YV + il FhE+ il,8 X. TB ,9| ZE %+ 54 V ?.3. D% / *7! z iiWB . 0 + il, ,CA * .=:1 + il, F I 5?3: =,L L , , bW I ;?=(TB8,A X!):, F $ 548 “?3( 3?1 =):!=:V = E M, B_45! L B , = , bW ; T“, “1B , “ ? ? N, “ V bW( bW_ ) ,Kz “ = bW_ B. N ,tXE; V E,t LC, i.2 Q 2. 1 = ?/#02 =Svp q: / , = ? #
4、. 0 vi : =n54B5, 3 IBHW, =4B “S5, 3 IBHW, =4B “S5, 3 IBHW, N/ .“ ,Q 3 = ?/,vX8 S.K, 31?V4,1i , =1 3 3,KzSE : ?C? , KB?C 3K5,o?C 3W,K5B?C 3K,9 # h 3BBs. , !9,3 ?4 U !9, 4 ?, pV “SZE /#0,B51B5 ,i/#0 3s, P 8 3 sm.2. 2 !91/RGB0T !9 N B ?Z N L, * 1 !9 M? 3?ZV,9 3 +, 3 M1 “ / . L iM ), 3YV L 1+ il1, V?C +
5、 il ?,V7 + ilily Z_, 3 g + il;| L + il “ , V PM“d, Esm. N, 3 s L + il 1 ?,1 1 ,| 1w_ bW,7/4 / bW I 05.2. 3 1 j/5 g0:u+:/ 5 20;y :/4B51 %B5il0; SE Z X : /K ,NK5, 31-450;Wv .B :/ “ 45a 50. :39 z P, !a?Z 3 $ .(上接第35页)45a 45. Y L ,V, 345a45 V 7/ !,V7 7i M7/? !Bd1Z .3 P4B, 34. 3 YV , 1883 M EW| “ / “0.YV 34, Y8: 54 % 7/7/V.71SB,AF /5 g0. ID1 ,M. 2) 2 I M . 2: , 20072 g.q,eT.l f45 M .L:L , 200636 数学通报 2010年 第49卷 第9期
