Page 91 - 数学·基础模块·下册

' # ("#¥67-

"#^ ! )
.Í"# ! )

V€"# ! )
67- ! )

stu8^5aô/ ! "
' ' (!"#¥;<-

!"#5+,/$

" &6O"'B56(‚5!"#/ !!!!!!! )
# &6O"'B5VB-\5!"#/ !!!!!!!! )

;<-5+,/ !!!!!!!! )
;<-5)Šaô/"’<-YB/ !!!! "’<-l•<-5

U‡0*U"’<-5+B/ !!!! "’<-l“<-E‡0*E",
“<-¥ !!!! 5W‡0*W"

#" %$&'$

-i.5/y/H#@#m50123 ¦B—#4—²³" -i.

54y/‘567589Ÿ NX¨>:5;<l=r"
ž-i.>?@¼AB;<ŸY2]B5àá$

' $ (Jϝžhi2345C-01"DEý†VB23ž\±5
FG]É"89H‘IJ"

' # (67-/KLM89‘IJ5NO"NOMPVBQ‘
FG5pRHQS¨/¼5Tr"/yžrstu8^8-"

' ' (;<-/N˜.>:5UžlVW"(XOM89‘IJ"
¼ºY67-l;<-ÿ]BpÖ5Zž"

' + ([Rhi2345X¨²³ÈÉ"A/\\0ß#¥]ùM^0ß "

`+! '(wS! öã@Ü­Ú 6 *+,- ! Ñ<Ж!+ ! IÎÌ

­–!# 槡 $$ ! Ö×¼-˜/ۘ"
$! `+! '(wS! Ô 6" !@Ü­Ú-˜! v 6.#+, dj. !

78$9:! (!
! ! !