根式的運算
Authored by 陳 嘉卿
Mathematics
8th Grade
Used 24+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下列敘述何者正確?
√5＋√5＋√5＋√5可寫成5√5
√3＋√2=√5
√15 ÷ 3 = √5
√2×√2×√2可寫成(√2)3
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
(－2√13)×(－4)=?
2√52
8√13
√13 / 2
-2√52
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
2√5×3√5=?
5√5
6√5
6√10
30
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
2
3
4
5
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
√2.4 = ?
12 / 5
1.2
2√15 / 5
4√15 / 5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
3√6 + 8√3 - 6√3 - 2√6
3
0
2√3 + √6
9√3 + 5√6
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
-14√5 / 5
-2√3 / 5
-√40 / 5
-8√5 / 5
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