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1-1 乘法公式

Authored by 陳 嘉卿

Mathematics

8th Grade

Used 24+ times

1-1 乘法公式
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18 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(1000+5)2=?

10002+52

10002+1000 × 5+52

10002+2 × 1000 × 5+52

10002-2 × 1000 × 5+52

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

(1000-5)2=?

10002-52

10002-2 × 1000 × 5+52

10002-2 × 1000 × 5-52

10002+2 × 1000 × 5+52

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

101×99=?

(100+1)(100-1)

(101+1)(101-1)

(101+99)(101-99)

(100+99)(100-99)

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

1012-992

(101-99)2

(100+99)(100-99)

(101+99)(101-99)

(100+99)(100-99)

5.

MULTIPLE SELECT QUESTION

1 min • 1 pt

1922+2 × 192 × 8+82

(192+8)2

1922+82

39948

40000

6.

MULTIPLE SELECT QUESTION

1 min • 1 pt

5032-2 × 503 × 3+32

250000

(503-3)2

5032-32

5032+32

7.

MULTIPLE SELECT QUESTION

2 mins • 1 pt

20192-20202=?

(2019+2020)(2019-2020)

(2019-2020)2

1

-4039

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