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S2 CH4 持續評估 (2020-2021)

Authored by Chun Wang Wong

Mathematics

9th Grade

Used 4+ times

S2 CH4 持續評估 (2020-2021)
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16 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

化簡 5x2y10xy\frac{5x^2y}{10xy}  

 2xy2xy  

 xy2\frac{xy}{2}  

 2x2x  

 x2\frac{x}{2}  

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

化簡 4x+8y4x\frac{4x+8y}{4x}  

 x+2yx\frac{x+2y}{x}  

 8y8y  

 x+8yx\frac{x+8y}{x}  

 3y3y  

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

化簡 49y223y\frac{4-9y^2}{2-3y}  

 2+3y2+3y  

 3y3y  

 yy  

 23y2-3y  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

化簡 20ab12b5a+320ab-12b-5a+3  

 (5a3)(4b1)\left(5a-3\right)\left(4b-1\right)  

 (5a3)(14b)\left(5a-3\right)\left(1-4b\right)  

 3(a+1)3\left(a+1\right)  

 (4b+1)(5a+3)\left(4b+1\right)\left(5a+3\right)  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

化簡 6mn÷3mp\frac{6m}{n}\div\frac{3m}{p}  

 2pn\frac{2p}{n}  

 2m2np\frac{2m^2}{np}  

 2np\frac{2}{np}  

 2m2pn\frac{2m^2p}{n}  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

化簡 3p11p\frac{3}{p-1}-\frac{1}{p}  

 2p1p(p1)\frac{2p-1}{p\left(p-1\right)}  

 2p+1p(p1)\frac{2p+1}{p\left(p-1\right)}  

 2-2  

 2p(p1)\frac{2}{p\left(p-1\right)}  

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

化簡 4x414x\frac{4}{x-4}-\frac{1}{4-x}  

 5x4\frac{5}{x-4}  

 33  

 3x4\frac{3}{x-4}  

 3x216\frac{3}{x^2-16}  

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