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(8上)乘法公式&平方根

Authored by 帥哥 良

Mathematics

8th Grade

Used 5+ times

(8上)乘法公式&平方根
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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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