某地微丝黝血症者[tex=1.0x1.286]Fe2gub1o5pVQNhSKoQ4RrA==[/tex]例治疗后[tex=0.571x1.286]016Eoz4zh4B83vMLqRMHsw==[/tex]年用间接荧光抗体试验测得抗体滴度如下。求平均抗体滴度。[img=653x111]17b7334d5d5b5d7.png[/img]
举一反三
- 某地微丝蜕血症者42例治疗后7年用间接荧光抗体试验测得抗体滴度如下,求平均抗体滴度。[img=737x78]17b3da51aa1d732.png[/img]
- 求不定积分[img=115x46]17da65382f8e1b9.png[/img]; ( ) A: x - (5*log(x + 1))/4 - (3*log(x - 3)) B: (5*log(x + 1))/4 - (3*log(x - 3)) C: x - (5*log(x + 1))/4 - (3*log(x - 3))/4 D: (5*log(x + 1))/4 - (3*log(x - 3))/4
- 求不定积分[img=121x54]17da653839aa6ae.png[/img]; ( ) A: log(x^2 + 3*x + 25/4)/4 + (5*atan(x/2 + 3/4))/4 B: log(x^2 + 3*x + 25/4)/4 C: (5*atan(x/2 + 3/4))/4 D: log(x^2 + 3*x + 25/4)/4 - (5*atan(x/2 + 3/4))/4
- 设[img=84x22]17e0ab7201ab5da.jpg[/img],且P{2<;X<;4}=0.1,不查表计算P{X<;0}=( ) A: 1/5 B: 2/5 C: 3/5 D: 4/5
- 设[img=84x22]17e43a3ff587368.jpg[/img],且P{2<;X<;4}=0.1,不查表计算P{X<;0}=( ) A: 1/5 B: 2/5 C: 3/5 D: 4/5