每次输⼊两个复数,每个复数均包括由空格分隔的两个浮点数,输⼊第⼀个复数后,键⼊回⻋,然后继续输⼊第⼆个复数。, @- Y9 Z4 h9 T. v
输出两个复数,每个复数占⼀⾏;复数是由⼩括号包围的形如 (a+bi) 的格式。注意不能输出全⻆括号。' J/ S# q# c9 M" p/ v
样例输⼊ ( s8 X+ J2 c$ R6 c. z" T/ m2 A# \1 0 U/ {4 O5 e3 E6 i' Q2 0 J7 ]# _2 I3 T( K: _) A( D* a-1.1 2.0& F, {( o7 O* F8 l: C
0 -4.5* m) c5 ?: L4 D7 T$ F, Q/ c
样例输出" Q9 H) o- N1 k# J a
1 & P. e* [4 f; ]8 r8 }; } Y5 U2 9 u4 I: i- B# j. Y3 ; n! }* R: Z' V6 F$ G. N( Q4 3 t1 o: j4 G' s( g2 ?7 K5" [7 a2 A1 [7 B% Y% T9 ^8 B
(-1.1+2i) (0-4.5i)/ x) j+ }7 ~; ?: |5 @
(-1.1-2.5i) ; v0 T {$ p4 T+ v! A/ N(-1.1+6.5i)1 v7 g! r* c# e7 l
(9+4.95i) " z: ^& x( J( k1 S% a) n6 H(-0.444444-0.244444i)9 X9 F( ^3 c/ [7 ?2 a
提示 # f$ \: X2 c( x! b. ]* [( D 需要注意,复数的四则运算定义如下所示: ' ]# Z- q# a- X7 @8 x
加法法则: ( a + b i ) + ( c + d i ) = ( a + c ) + ( b + d ) i (a + bi) + (c + di) = (a + c) + (b + d)i (a+bi)+(c+di)=(a+c)+(b+d)i
减法法则: ( a + b i ) − ( c + d i ) = ( a − c ) + ( b − d ) i (a + bi) − (c + di) = (a − c) + (b − d)i (a+bi)−(c+di)=(a−c)+(b−d)i
乘法法则: ( a + b i ) × ( c + d i ) = ( a c − b d ) + ( b c + a d ) i (a + bi) × (c + di) = (ac − bd) + (bc + ad)i (a+bi)×(c+di)=(ac−bd)+(bc+ad)i
除法法则: ( a + b i ) ÷ ( c + d i ) = [ ( a c + b d ) / ( c 2 + d 2 ) ] + [ ( b c − a d ) / ( c 2 + d 2 ) ] i (a + bi) ÷ (c + di) = [(ac + bd)/(c^2 + d^2 )] + [(bc − ad)/(c^2 + d^2)]i (a+bi)÷(c+di)=[(ac+bd)/(c2+d2)]+[(bc−ad)/(c2+d2)]i 6 | w4 i; M$ q; K- b