
1-1 乘法公式
Authored by 陳 嘉卿
Mathematics
8th Grade
Used 24+ times

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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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