a=[-1.9,-0.2,3.4,5.6,2.4+3.61] 3、C=fx(a) 向0四舍五入 ·C=-1.000003.00005.00002.0000+3.0000i 4、R= round(a) ·R=-2.000003.00006.000020000+4.0000i b=[-1.95,-0.24,346,56,24+36il??• a = [-1.9, -0.2, 3.4, 5.6, 2.4+3.6i] • 3、C=fix(a) • 向0四舍五入 • C =-1.0000 0 3.0000 5.0000 2.0000 + 3.0000i • 4、R=round(a) • R = -2.0000 0 3.0000 6.0000 2.0000 + 4.0000i • b= [-1.95, -0.24, 3.46, 5.6, 2.4+3.6i]？？