下列式子何者正確?
0814曙光國一數學小考

Quiz
•
Mathematics
•
7th Grade
•
Medium
周 浩子
Used 3+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
3+3+3+3=34
4+4+4+4=216
5×5×5×5=45
6×6×6×6=24×34
2.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
下列式子何者正確?
10-4=-0.4
10-5=0.05
106<0
10-7=(0.1)7
3.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
計算 25-(-2)5=?
-64
0
20
64
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
計算(-1)5-(-1)4-〔(-1)13-(-1)12〕=?
-4
-2
0
2
5.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
下列選項何者正確?
(-22)>(-2)2
(-23)<(-2)3
(-2)4+(-2)4>0
(-2)5-(-2)5<0
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
2000 的 5000 倍以科學記號表示為何?
106
107
1×107
1×108
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
將 205490000 記成科學記號為 a×10n,其中 a 是幾位小數?
二位
三位
四位
五位
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