2022年5月2日星期一
2020年8月9日星期日
考評局唔想學生知道計數機的秘密
每一年考評局都唔想學生知道計數機的秘密。今年2020年份卷就出現㩒機出答案⋯⋯
✅ Program 1:
Quadratic
Equation 一元二次方程
(a) Rooting
Finding
(b) Vertex
✅ Program 2:
Simultaneous
Equation 解聯立方程
✅ Program 3:
Polynomial 解一元三次方程
✅ Program 4:
Cosine
Formula 餘弦定理
(a) Length 兩邊一角
(a) Angle 三角
筆記下載 (計數機_4 Program_2020)
Ⓜ️ Mode 2:
Complex
Number （複數）
Ⓜ️ Mode 3:
DEC,
BIN, HEX （十進制、二進制、十六進制）
筆記下載 (計數機_MODE_2020)
🔄 角度轉換
Rectangular
Coordinates to Polar Coordinates
2020年3月27日星期五
DSE Passpaper_Basic Circle_Ratio 型
☆ MC 2013 DSE 19 [ C ]
In the figure, ABCD is a circle. AC and
BD intersect at E. If AB = AD and AD // BC, then ÐBAE =
A. 53o.
B. 57o.
C. 69o.
D. 74o.
☆ MC 2015 DSE 20 [ C ] 60% ( YouTube )
In the figure, AD is a diameter of the circle ABCDE. If ÐBAD = 58° and BC = CD, then ÐAEC =
B. 58°.
C. 61°.
D. 64°.
In the figure, AD is a diameter of the circle ABCDE. If BC = CD and ÐABC = 110°, then ÐBED =
B. 35°.
C. 40°.
D. 55°.
In the figure, TA is the tangent to the circle ABCD at the point A. CD produced and TA produced meet at the point E. It is given that AB = CD, ÐBAT = 24° and ÐAED = 72°. Find ÐABC.
A. 60°
B. 66°
C. 72°
D. 78°
In the figure, O is the centre of the semi-circle ABCD. If AC = BD
and ÐCOD = 48°, then ÐABD =
B. 33°.
C. 42°.
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