2008-2009 School-based Professional Support Section School-based Support Services Office Education Bureau
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u U 16
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u U 24
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O O 27
O 28
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u U 34
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u U 44
12 45
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a b a C = 4 a S = a 2 h a S = ah 2 C = (a+b) 2 S = ab a S = ah h a d o r h b S = (a+b) h 2 C = 2 r = 2 S = r d 47
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u U 50
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u U 58
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u U 68
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u U 76
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u U 84
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4cm A 8cm 12cm B 6cm C 4cm 3cm 91
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u 94
15 cm 28 cm 95
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u U 104
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u U 116
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u U 128
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u U 140
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abcdacbcadbd d ad bd c ac bc a b xy x xyy y xy y 2 x x 2 xy x y 142
x-y y x y xyxy x y 2 y xyx-y x-y x x y xy xy x y xy xy x-y xy xy x y x y z xy xy x y x xy x x-y 2 y xy x y xy xy y x y 143
sin90 cos 144
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u U 148
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f x 152
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ytx f xtx 154
AB AB AB AB 155
ABfA xbyx f AByfx f (x)x y fab x f (x) A ff xf f A A B A B 156
B x y 157
ABABf ABA B AB A B AB y f x x Ay B y f x f Af AB y f x y f x 158
MN A M B N C N D N A ABfA B ABfA C A = ZBQfA D A = RBRfA fabab A f a A B AB A B C D x y 159
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u U 164
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= 169
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u U 172
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n n n 177
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u 182
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u 192
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y sin x y Asin x A y= sinx 194
yasinx 195
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