
乘法的结合律
Authored by Zhangdi Long
World Languages, Mathematics
3rd Grade
Used 10+ times

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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
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
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
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
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)
对
错
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
9x3=(5x3)+(4x3)
对
错
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