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平方計算與展開式問題

Authored by 星宇 藍

Mathematics

8th Grade

平方計算與展開式問題
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20 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

60² 等於多少?

3,600

1,200

6,000

360

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

3,000² 等於多少?

9,000

900,000

9,000,000

30,000

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2,500² 等於多少?

6,250,000

625,000

25,000

250,000

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1,200² 等於多少?

120,000

144,000

1,440,000

12,000

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

8,000² 等於多少?

6,400,000

64,000,000

640,000,000

8,000,000

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

要使用乘法公式計算 107² 時,應寫成哪一個平方的形式?

(100 + 7)²

(110 - 3)²

(105 + 2)²

(120 - 13)²

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

要使用乘法公式計算 93² 時,應寫成哪一個平方的形式?

(90 + 3)²

(100 - 7)²

(95 - 2)²

(90 - 3)²

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