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實數指數_140sec Flashcards | StudBud
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實數指數_140sec
實數指數_140sec
4 terms
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StudBud Administration
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20 plays
basics of #exponents and #algebra for #Grade10
Flashcards
4 cards
F
Practice quiz
P
Host live
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Questions
4
Answers
1
Q1. 求值:
256
16
4
8
2
Q2. 求值:
不能求值
9
27
3
3
Q3. 求值:
1
27
3
9
4
Q4. 已知9
x
= 5,請比較A= 3
x+1
與 B= 5× 27
−x−1
之值的大小。
A = B
A < B
A > B
A、B不能比較大小