UEC 独中统考初中三数学
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Chapter 1 变数法 Variation 讲解视频 已上载6 Topics|3 Quizzes
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Chapter 2 指数与对数 Index & Logarithm 讲解视频 已上载24 Topics|10 Quizzes
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Chapter 3 统计表与统计图 Statistics 讲解视频 已上载11 Topics
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Chapter 4 集中趋势与四分位数 Central Tendency & Quartile 讲解视频 已上载15 Topics
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Chapter 5 相似形 Similar Figures 讲解视频 已上载20 Topics
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Chapter 6 立体图形, 表面积与体积 Net , Surface Area & Volume of Solid 讲解视频 已上载18 Topics
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Chapter 7 三角函数 Trigonometry 讲解视频 已上载17 Topics
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Chapter 8 圆 Circle 讲解视频 已上载15 Topics
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Chapter 9 轨迹与几何作图 Locus & Geometric Drawing 讲解视频 已上载9 Topics
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Chapter 10 几何换变 Isometric Transformation 讲解视频 已上载11 Topics
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重播 Recorded Live Classes6 Topics
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醒脑思维挑战题
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模拟考场3 Quizzes
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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.
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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.
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