國二數乘法公式牛刀小試(2)

Quiz
•
Mathematics
•
8th Grade
•
Hard
程昕誠意教數學 程昕誠意教數學
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10 questions
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1.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
利用公式(a+b)(c+d)=ac+ad+bc+bd,求2003×2006-20042= __________。
2.
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3 mins • 1 pt
若199.52=(200-0.5)2=2002-a,
則a= ________。(請寫成小數型式)
3.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
如圖,兩等腰直角三角形,其兩腰長分別為73公分、27公分,則斜線部分區域面積為 __________平方公分。
4.
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3 mins • 1 pt
最接近89.72的整數為_________ 。
5.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
請寫出大於 的最小整數為 ________。
6.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
若a2=14,
則(a+2)(a-2)(a2+4)= _________。
7.
FILL IN THE BLANK QUESTION
3 mins • 1 pt
已知a2+6a=6,則(a+3)2= ________。
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