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雞兔年齡問題

Authored by 翁昆漢 翁昆漢

Mathematics

6th Grade

Used 2+ times

雞兔年齡問題
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11 questions

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1.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

1.農場有雞和兔子共 20 隻,共有 50 隻腳,雞有A隻和兔子有B隻?

Answer explanation

4×20=80

80-50=30

雞:30÷(4-2)=15

兔子:20-15=5

2.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

有印良品有兩種筆記本,價錢分別是 35 元和 40 元。魯夫共買了 10 本,花了 370 元。

35元的有A本,40元的有B本

Answer explanation

40×10=400

400-370=30

35 元:30÷(40-35)=6

40 元:10-6=4

3.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

鴨子和兔子共 20 隻,共有 60 隻腳,鴨子A隻和兔子有B隻?

Answer explanation

4×20=80

80-60=20

鴨子:20÷(4-2)=10

兔子:20-10=10

4.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

10 隻雞和 10 隻兔子合起來的腳數和 20 隻兔子的腳數相差多少隻腳?

Answer explanation

(4-2)×10=20

5.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

克威買了 12 元和 15 元的自動鉛筆共 10 枝,總共花了 132 元。這兩種自動鉛筆的數量相差幾枝?

Answer explanation

12×10=120

15 元:(132-120)÷(15-12)=4

12 元:10-4=6

6-4=2

6.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

星星餐廳裡有兩種規格的圓桌,大圓桌有 8 個座位,小圓桌有 4 個座位。已知大圓桌和小圓桌合起來共有 16 張,一共有 88 個座位,大圓桌有A張?小圓桌有B張?

Answer explanation

1.4×16=64

88-64=24

大圓桌:24÷(8-4)=6

小圓桌:16-6=10

7.

FILL IN THE BLANK QUESTION

3 mins • 1 pt

黃金米行買進白米 240 公斤,分裝成大包米和小包米,共 60 包,大包米每包重 5.6 公斤,小包米每包重 3.2 公斤,大包米裝A包、小包米裝了B包?

Answer explanation

240-3.2×60=48

5.6-3.2=2.4

大包米:48÷2.4=20

小包米:60-20=40

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