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八數段考範圍

Authored by 續敏耀 續敏耀

Mathematics

1st Grade

Used 6+ times

八數段考範圍
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25 questions

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1.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

若(x2x+2)-A=-x2x-2,

A=?

2x2-2x+4

x2-2x+4

 x2-2x+4

-2x2x-4

2.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

下列敘述何者正確?

(45+39)2=452+392

982=1002-2×100×8+82

305×295=3002-52

1872-2712=(271+187)(271-187)

3.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

若a= 73\frac{\sqrt{7}}{3}  、b= 107\sqrt{\frac{10}{7}}   、c= 35\frac{3}{\sqrt{5}} 

  ,則a、b、c三數的大小關係為何?

a>b>c

a<b<c

b>a>c

b>c>a

4.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

下列哪一個選項是錯誤的?

-0.3 是 0.9 的平方根

a2b2,則-ba2 的平方根

0 的平方根是 0

已知-x是101的平方根,則x也是101的平方根

5.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

若(3 X4X^4  -5 X2X^2  +4x)÷3x 的商式為 
 X3X^3  +ax+b,則 b-a=?

-3

3

 13-\frac{1}{3}  

 13\frac{1}{3}  

6.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

利用乘法公式計算

20022-2001×2003+2005×2008-2006×2007

的值是多少?

-1

0

1

2

7.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

若梯形的上底為x+3,下底為3x+5,面積為(2x2+6x+4)平方單位,則高=?

2x+2

x+1

12x+12\frac{1}{2}x+\frac{1}{2}

4x+4

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