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。8 c! K( x( y1 [ s$ Z% i- k
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。 0 ]$ ^: Q" r' T6 ~7 x2 C7 Y H样例输⼊) B5 E5 K, d3 Z
1! M; k' e3 \8 f
26 n% H' Z4 w9 E8 u" p, {: T1 {4 I
-1.1 2.0& i% _; ^! x' J3 d$ `: N4 c. T
0 -4.5! H9 S6 X& @* O T9 T
样例输出 0 W0 Q5 k- T9 ?2 x, R* G' a5 G+ ? b1* ?/ J d' |% O! p. d$ d- C8 G
2 9 c4 U3 S! g* P! ]; M: w* l# ?- G3. J) F; G0 Q0 N* `+ T3 n2 j
4 6 @: n9 f5 N! d" e0 S5" Q, p) d0 Y; k$ z1 g
(-1.1+2i) (0-4.5i) ' `: W0 m% ?( i5 Z' g4 }" K(-1.1-2.5i)! k4 Q) {$ W- B; q! S- T9 @+ \- i9 [
(-1.1+6.5i) ; Z* g& J; z T7 }(9+4.95i): |8 ?& q8 V' O+ i2 Y+ V
(-0.444444-0.244444i)( U2 Q' u: o$ W1 K+ i3 B. ~4 M
提示 : g, E4 w7 [- s, O0 o 需要注意,复数的四则运算定义如下所示:& i, K u" \4 C1 S
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)]i6 c. C# {/ i: X5 q& \