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Περιεχόμενα

An Unknown Number
1
Easy Problems
4
Equations
6
Easy Problems
7
Algebraical Language
8
Easy Problems
15
Notation
17
Positive and Negative Signs
19
Quadratics Introductory
87
Equations of the form x²+c0
88
Equations of the form x²+bx+c0
89
Equations of the form ax2+bx+c0
90
Equations of the form ax²+bx0
91
Miscellaneous quadratics and equations like quad ratics
93
Problems involving Quadratics
95
Square Root by factors
96

Plus and Minus Positive and Negative
21
Equations
26
Problems
28
Substitution
31
Equations with Negative Signs and Fractions
34
Problems
35
PAGE
37
Multiplication and Division
39
Equations in Two Unknowns
41
Two Unknowns
43
Harder Problems
47
Examination Papers
51
ΧΧΙ Factors
65
H C F and L C M
70
Fractions
71
Simplifications
75
Examination Papers
78
Equations in three unknowns
85
Problems involving three unknowns
86
Square Root by factors
101
Examination Papers
102
Problems
118
PART III
131
Miscellaneous Surds
135
Indices
137
Ratio and Proportion
142
Variation
145
Problems on Proportion and Variation
147
Arithmetical Progression
152
Geometrical Progression
157
Problems on A P and G P
159
Harmonic Progression
165
A Addition and Subtraction
217
D E The Use of Squared Paper
225
I J K Graphs
234
I J K Graphs
237
ANSWERS
241

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