平方計算與展開式問題
Authored by 星宇 藍
Mathematics
8th Grade
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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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