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S2 Ch4 代數分式與公式 Final Test

Authored by Garrous Chan

Mathematics

8th Grade

Used 5+ times

S2 Ch4 代數分式與公式   Final Test
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10 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

化簡 6a2 b3/(2ab)。

4ab

4ab2

2ab

2ab2

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

化簡 (x+y) / (4x+4y)。

4

1/4

1/8

8

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

化簡 8/(x-2) - 6/(x-2)

2/(x-2)

1/x

2

2/x

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

化簡 3/(4a) -5/(6a)。

1/a

-2/a

-1/2a

-1/12a

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

化簡 4/(a-b) +3/(b-a)。

7/(a+b)

7/(b-a)

1/(a+b)

-1/(a+b)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

已知 V = U + 10t。 若 V = 80, t = 4, 則 U = ?

20

120

40

60

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

己知 E = mv2/2 。 若 E = 675, m = 6, 則 V = ?

56.25

15

30

48.5

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