在圖形的數線上,O為原點,數線上的點P、Q、R、S 所表示的數分別為a、b、c、d。請問下列哪一個大小關係是不正確的?

國中數學歷屆會考試

Quiz
•
Mathematics
•
7th - 9th Grade
•
Hard
FaHui Xie
Used 4+ times
FREE Resource
27 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
(A)∣a∣<∣d∣
(B)∣b∣=∣c∣
(C)∣a∣>∣b∣
(D)∣0∣<∣b∣
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
如圖,利用等臂天平比較甲、乙、丙、丁四個物品的重量。請問甲、乙、丙、丁四個物品中哪一個重量最輕?
(A)甲
(B)乙
(C)丙
(D)丁
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
計算(-12)+(-18)÷(-6)-( -3)×2之值為何?
(A)-15
(B)-3
(C) 11
(D) 16
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
算式(-2)×|-5|-|-3|之值為何?
(A) 13
(B) 7
(C)-13
(D)-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知a=(-12)×(-23)×(-34)×(-45),b=(-123)×(-234)×(-345),判斷下列敘述何者正確?
(A) a、b皆為正數
(B) a、b皆為負數
(C) a為正數,b為負數
(D) a為負數,b為正數
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列敘述何者正確?
(A) 23-(-2)3=0
(B) 24-(-24)=0
(C)(-2)3-(-23)=0
(D)(-2)4-(-24)=0
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
用科學符號(即科學記號)可將1234表示成「1.234×103」。若A的科學符號可表示成「1.23456×108」,則A為幾位數?
(A) 6
(B) 7
(C) 8
(D) 9
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