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數學基本功 第一單元-正數與負數

Authored by Hou Ming Peng

Education

1st - 5th Grade

Used 4+ times

數學基本功 第一單元-正數與負數
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26 questions

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1.

OPEN ENDED QUESTION

1 min • Ungraded

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2.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

將數線上的-5 與- 6 兩點之間3等分, 則最靠近-6 的等分點所代表的數為何? (A) 負5又4分之3 (B) 負5又4分之1 (C) 負5又3分之2 (D) 負6

A
B
C
D

3.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

下列四個式子的運算結果,哪一個不正確? (A) -9 +(-3)=-12 (B) -3-4=-7 (C) (77-20)-30=77-(20-30) (D)-(13+6)+5=5-(13+6)

A
B
C
D

4.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

數線上 A(a)、B(b)兩點, B 點在 A 點的右邊且 A 在原點 O 和 B 兩點之間, 則 a、b、0 的大小關係為何? (A) b<0<a (B) a<0<b (C) 0<b<a (D) 0<a<b

A
B
C
D

5.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

將 6.15×108 化成整數的形式,則它是幾位數? (A) 7 (B) 8 (C) 9 (D) 10

A
B
C
D

6.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

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如下圖,已知數線上 A、B、C、D四點的座標分別 是a、b、c、d,則下列何者的絕對值最大?

A
B
C
D

7.

MULTIPLE CHOICE QUESTION

1 min • 4 pts

將 7.2×10-6化成小數形式, 則從小數點後第幾位開 始出現不為 0 的數字? (A) 5 (B) 6 (C) 7 (D) 8

A
B
C
D

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