Page 226 - Math Grade 11 (Basic)

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= m~ ~ g ( 30 + 1 )
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= ntl3n9 15.5 '1 f:lmsg mf:lns ~~2h $ 12 '1
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Lsi = n~~~g (n + 1) = &H~~g (30 + 1) = n~~~g 25.11
100 100
f:itH28 Lsi = $ 15 '1
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uss~nhx 0 1 2 3 4 5
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21h~Lffl13t:hmnhtH'n.nhfGntLun~ts~~f6~JU~s 40 2lR tf:irut~ms
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mA:&s~s 30-40 40-50 50-60 60-70 70-80 80-90
ct &
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U~Shl~J 5 7 12 11 3 2

~tJhUJ~m~ nmnh &Lun~ ~fts
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- 13rum~ustsPun~~m u 25%
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'> "" C) c:l> 40 ct
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ct 4
30-40 5 5
- nht:lH'iUn~tfts 10 MntsinhmA:
c::s u G 6'-. c:t c:t 40-50 7 12
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50-60 12 24
40-50
60-70 11 35
70-80 3 38
80-90 2 40
40-50 '1

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