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周界 四年級 數補

Authored by Sin Mui

Mathematics

4th Grade

Used 4+ times

周界 四年級 數補
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13 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

正方形花園邊長是40m,它的周界是多少m?

40 m

400 m

800 m

160 m

2.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

以下哪個是正方形周界公式?

( 長 + 闊 ) x 2

( 長 x 闊 ) x 2

( 長 + 闊 ) ÷ 2

邊長 x 4

3.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

一張卡片長20cm,闊10cm,它的周界是多少cm?

20 + 10 x 2

(20 + 10 ) ÷ 2

( 20 + 10 ) x 2

20 x 10 x 4

4.

FILL IN THE BLANK QUESTION

45 sec • 10 pts

小狗圍著正方形花園跑了100米,正方形花園的邊長是多少米?

(不需輸入單位)(只輸入數字)

5.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

一個長方形的長是12m,周界是32m,求它的闊。

32 - 12

32 ÷ 2 - 12

32 - 12 x 2

(32 + 12 ) x 4

6.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

一個長方形的闊是14cm,周界是84cm,求它的長。

14 x 8 x 2

(84 -14) x 2

(84 + 12 ) x 2

84 ÷ 2 - 14

7.

MULTIPLE CHOICE QUESTION

45 sec • 10 pts

一個長方形的闊是14cm,長是28cm,求它的周界。

14 x 28 x 2

(28 -14) x 2

28 ÷ 2 - 14

( 14 + 28 ) x 2

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