(8上)乘法公式&平方根
Quiz
•
Mathematics
•
8th Grade
•
Hard
帥哥 良
Used 5+ times
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10 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
計算 35×99 的值。選擇正確的答案:
35*(100-1)
3500-35
3600
3600-35
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
計算 40.5² 的值。選擇正確的答案:
(40+0.5)2
402+2×40×0.5+0.52
41.52-12
402+0.52
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
計算 998² 的值。選擇正確的答案:
(1000-2)2
10002-22
10022-42
10002-2×1000×2+22
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
試判斷下列等式何者不成立?
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列敘述何者錯誤?
3是完全平方數
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
下列敘述何者錯誤?
0是0唯一的平方根
1是1的平方根
1是-1的平方根
1的平方根是±1
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
6
7
8
9
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