略C(A)0.4一备(G2.(4)limg(-)(3)lim sin.(2)lim arctan家源A瑞源C51aA.8.8-=KF-aK?球面F可：绿份繁！元。8-8m历BK行合据正费执草()言咯源D88德：坊快限物装动(！)新二线烧服粉设合（二）一88:一照m用么11-23。：。mm:.4.1.23.:m8件：过nh三用子0时间120851-7十7月51-2+：SVGTTTTtiiSn-312342372317.:n=1,=33.一8-8HG-MNEVGHINIIVITITTII:y3:3+73.737234.A.141-1-1418-840li(1+co)n(1+老事心88-2,Ik-Ik-1事(！1+3)881+24m7-E+02V1+24m2-71vI-+常瓷D多V.195t咯瓷D88飞1=8+0特止原、01。B-1股话c:指858H+-(1-a)z2-(a+b)r-A+6)-0.(A)a=1,6=1.(B)a=-1,b=1.(C)a=1,b=-1.(D)a=-1,b=-1.:r+l
