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面積和周界計算公式

Authored by Alice Chew

Mathematics

5th Grade

Used 32+ times

面積和周界計算公式
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10 questions

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1.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

正方形面積

邊長自乘

×2\frac{底\times高}{2}

(+)×2\frac{(上底+下底)\times高}{2}

×底\times高

2.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

長方形面積

 邊長自乘  

 ×長\times闊 

(+)×2\frac{(上底+下底)\times高}{2}

×底\times高

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

平行四邊形面積

 ×長\times闊  

×2\frac{底\times高}{2}

(+)×2\frac{(上底+下底)\times高}{2}

×底\times高

4.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

三角形面積

 ×長\times闊  

×2\frac{底\times高}{2}

(+)×2\frac{(上底+下底)\times高}{2}

×底\times高

5.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

梯形面積

 ×長\times闊  

×2\frac{底\times高}{2}

(+)×2\frac{(上底+下底)\times高}{2}

×底\times高

6.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

正方形周界

 ×4邊長\times4  

×2\frac{底\times高}{2}

(+)×2\frac{(上底+下底)\times高}{2}

×底\times高

7.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

長方形周界

 ×4邊長\times4  

×2\frac{底\times高}{2}

(+)×2\frac{(上底+下底)\times高}{2}

 (+)×2(長+闊)\times2 

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