
九上數學推理證明
Authored by 蔡佩旻 蔡佩旻
Mathematics
9th Grade
Used 3+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
已知直角三角形的三邊長為 7、a、b,若 a、b 是正整數,且 a 為斜邊,則 a+b 必為何數的因數?
16
25
36
49
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列關於奇、偶數判別的敘述,何者錯誤?
若 m 為奇數,則 7m+1 必為偶數
若 m 為偶數,則(m+1)2 必為奇數
若 m 為偶數,則 m2 必為 4 的倍數
若 m 為奇數,則 2m2+1 必為 3 的倍數
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
乙=丙=丁=甲
乙>丙=丁>甲
乙>丙>丁>甲
乙<丙<丁<甲
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
1
2
3
4
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
△ABC~△CBD
圖形中相似是根據AA相似性質
BD=3
AD=6
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
90°
180°
270°
360°
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
120°
130°
145°
155°
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