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乘法的结合律

Authored by Zhangdi Long

World Languages, Mathematics

3rd Grade

Used 10+ times

乘法的结合律
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12 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

下面哪个表达式等于4x9

4x(4+5)

4x(1+1)

4x(2+5)

4x(5+10)

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

图片和下面哪一个一样?

(3x5)+(3x10)

(2x2)+(1x2)

(5x5)+(5x5)

(3x5)+(3x3)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

图片和下面哪个一样?

(4x5)+(4x4)

(2x8)+(3x6)

(4x3)+(4x3)

(4x8)+(4x3)

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

图片和下面哪一个一样?

(4x1)+(4x2)

(4x10)+(4x2)

(4+4)+(4+5)

(4x8)+(4x5)

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

图片和下面哪一个一样?

(6+2)x(6+2)

(6x3)+(6x3)

(2x6)+(2x6)

(3x5)+(3x5)

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

7x3=(3x3)+(3x5)

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

9x3=(5x3)+(4x3)

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