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代數簡介重溫

Authored by Ming CHAN

Mathematics

8th - 9th Grade

Used 36+ times

代數簡介重溫
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

化簡數式 6x − 5y + 3x − y

9x-4y

9x-6y

x-2y

x-4y

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

雪兒買了 3m 個橙,每個橙的售價是 $5。 以代數式表示雪兒應付的金額。

5+3m

5m

15m

8m

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

化簡代數式 4 × 2p + 7p - 6w。

6p+ w

15p-7w

15p-6w

36p-6w

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

三輛玩具車的長度分別是 (8x+ 15) cm、(50− 3x)cm 和(10x − 7)cm。求它們的總長度。

14x+57

21x+72

15x+57

15x+58

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

考慮公式x = y – 8。若y = –5,求x的值。

3

13

-3

-13

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列那個是方程 27 + d = 3 + 5d 的解。

4

6

-4

-6

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

下列那個是方程 2d+ 7d = -4- 5 的解。

1

2

-1

-2

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