
八數段考範圍
Authored by 續敏耀 續敏耀
Mathematics
1st Grade
Used 6+ times

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25 questions
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1.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
若(x2-x+2)-A=-x2+x-2,
則 A=?
2x2-2x+4
-x2-2x+4
x2-2x+4
-2x2+x-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= 、b= 、c=
,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
若 a2=b2,則-b是 a2 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 -5 +4x)÷3x 的商式為
+ax+b,則 b-a=?
-3
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
4x+4
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