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UEC 独中统考初中三数学

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Chapter 1 变数法 Variation

6 Topics
|
3 Quizzes
Chapter 2 指数与对数 Index & Logarithm

24 Topics
|
10 Quizzes
1. Note 1
2. Note 2
3. Note 3
4. Note 4
5. Note 5
6. Exercise 1
7. Exercise 2
8. Exercise 3
9. Tutorial 1
10. Tutorial 2
11. Tutorial 3
12. Tutorial 4
13. Tutorial 5
14. Tutorial 6
15. Tutorial 7
16. Tutorial 8
17. Tutorial 9
18. Tutorial 10
19. Tutorial 11
20. Tutorial 12
21. Tutorial 13
22. Tutorial 14
23. Tutorial 15
24. Tutorial 16
Chapter 3 统计表与统计图 Statistics

11 Topics
Chapter 4 集中趋势与四分位数 Central Tendency & Quartile

15 Topics
Chapter 5 相似形 Similar Figures

20 Topics
Chapter 6 立体图形，表面积与体积 Net , Surface Area & Volume of Solid

18 Topics
Chapter 7 三角函数 Trigonometry

17 Topics
1. Note 1
2. Note 2
3. Note 3
4. Note 4
5. Note 5
6. Tutorial 1
7. Tutorial 2
8. Tutorial 3
9. Tutorial 4
10. Tutorial 5
11. Tutorial 6
12. Tutorial 7
13. Tutorial 8
14. Tutorial 9
15. Tutorial 10
16. Tutorial 11
17. Tutorial 12
Chapter 8 圆 Circle

15 Topics
Chapter 9 轨迹与几何作图 Locus & Geometric Drawing

9 Topics
Chapter 10 几何换变 Isometric Transformation

11 Topics

Participants 154

127595734
[email protected]
[email protected]
Phang Chooi Chen
ABBIE TUNG YONG EN

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Practice Makes Perfect 1 (请在2分钟内完成3道题目)

冰姐老师 December 28, 2021

UEC 独中统考初中三数学 Chapter 1 变数法 Variation Practice Makes Perfect 1 (请在2分钟内完成3道题目)

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Question 1 of 3

1. Question
The relationship between variables, x,y and z is [latex] y \propto \frac{z}{x}[/latex] . It is given that [latex]y= \frac{3}{5}[/latex] when z=6 and x =30. Calculate the value of x when y=18 and z=42.
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Question 2 of 3

2. Question
It is given that y varies directly as the cube of x and y=9 when x=3. Calculate the value of x when y=72.
- 6
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- 144
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Question 3 of 3

3. Question
The volume of a hemispherical bowl, [latex] Vcm^{3} [/latex], varies directly as the cube of its radius, r. By using k as a constant, express k in terms of V and r.
- [latex] k= \frac{V}{ r^{ \frac{1}{3} } }[/latex]
- [latex] k= \frac{V}{ r^{3} }[/latex]
- [latex] k= Vr^{ \frac{1}{3} }[/latex]
- [latex] k= Vr^{3}[/latex]
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