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國二數乘法公式牛刀小試(2)

Authored by 程昕誠意教數學 程昕誠意教數學

Mathematics

8th Grade

Used 3+ times

國二數乘法公式牛刀小試(2)
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10 questions

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1.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

利用公式(ab)(cd)=acadbcbd,求2003×2006-20042 (a)  

2.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

若199.52=(200-0.5)2=2002a

a (a)   。(請寫成小數型式)

3.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Media Image

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 (a)   平方公分。

4.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

最接近89.72的整數為 (a)  

5.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

 請寫出大於 (9978)2\left(99\frac{7}{8}\right)^2  的最小整數為 (a)  

6.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

a2=14,

則(a+2)(a-2)(a2+4)= (a)  

7.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

已知a2+6a=6,則(a+3)2 (a)  

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