去(拆)括號 Quiz: 18 Practice Questions (Grade 7)

18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

+(-5)

-5

+5

2.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

+(+5)

-5

+5

3.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

-(-5)

-5

+5

4.

MULTIPLE CHOICE QUESTION

5 sec • 1 pt

-(+5)

-5

+5

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

去括號的目的???(選最正確的)

引入新的數學符號

改變數學運算順序

簡化數學表達式

增加數學複雜性

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

這題適合 / 需要? 去(拆)括號嗎? $\left(394+6\right)-\left(123-23\right)$

不需要去(拆)括號

只需要去(拆)一個括號

需要去(拆)括號

可以直接計算，不用去(拆)括號

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

這題適合 / 需要? 去(拆)括號嗎? $\left(394+52\right)-\left(100-52\right)$

不需要去(拆)括號

只需要去(拆)一個括號

需要去(拆)括號

可以直接計算，不用去(拆)括號

8.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

這題適合 / 需要? 去(拆)括號嗎? $9319+\left(10000-9318\right)$

需要去(拆)括號

可以直接計算，不用去(拆)括號

9.

AUDIO RESPONSE QUESTION

10 sec • 1 pt

怎麼觀察出這題去括號比較好算? $9319+\left(10000-9318\right)$

5 sec audio

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去(拆)括號

+(-5)

+(+5)

-(-5)

-(+5)

去括號的目的???(選最正確的)

這題適合 / 需要? 去(拆)括號嗎? (394+6)−(123−23)\left(394+6\right)-\left(123-23\right)(394+6)−(123−23)

這題適合 / 需要? 去(拆)括號嗎? (394+52)−(100−52)\left(394+52\right)-\left(100-52\right)(394+52)−(100−52)

這題適合 / 需要? 去(拆)括號嗎? 9319+(10000−9318)9319+\left(10000-9318\right)9319+(10000−9318)

怎麼觀察出這題去括號比較好算? 9319+(10000−9318)9319+\left(10000-9318\right)9319+(10000−9318)

3+(2+1)=

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這題適合 / 需要? 去(拆)括號嗎? $\left(394+6\right)-\left(123-23\right)$

這題適合 / 需要? 去(拆)括號嗎? $\left(394+52\right)-\left(100-52\right)$

這題適合 / 需要? 去(拆)括號嗎? $9319+\left(10000-9318\right)$

怎麼觀察出這題去括號比較好算? $9319+\left(10000-9318\right)$