2-1整數X分數(P20)

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根據題目，一瓶礦泉水有幾公升？

Math Response

根據題目，冰箱裡有幾瓶？

Type answer here

Correct Answer: 3\frac{2}{5}

Deg^°

Rad

Math Response

根據題意列式

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Correct Answer: 2\times3\frac{2}{5}

Deg^°

Rad

Dropdown

​ ＜方法一＞ 3⅖瓶是​

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瓶和​​​

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瓶

Draw

＜方法一＞

$$2\times3\frac{2}{5}=2\times\left(3+\frac{2}{5}\right)=$$

Math Response

＜方法一＞

$$2\times3\frac{2}{5}=?$$

Type answer here

Correct Answer: 6\frac{4}{5}

Deg^°

Rad

Math Response

<方法二>
$$3\frac{2}{5}$$ 換成假分數是多少？

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Correct Answer: \frac{17}{5}

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Draw

＜方法二＞

$$2\times3\frac{2}{5}=?$$

Math Response

＜方法二＞

$$2\times3\frac{2}{5}=?$$

Type answer here

Correct Answer: 6\frac{4}{5}

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Dropdown

長方形的面積=​ ​

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X​

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Math Response

根據題意，如何列式？

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Correct Answer: 3\times1\frac{7}{10}

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Math Response

根據題意，計算答案

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Correct Answer: 5\frac{1}{10}

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Math Response

計算答案

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Correct Answer: 7\frac{7}{10}

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Math Response

計算答案

Type answer here

Correct Answer: 21\frac{2}{3}

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Rad

Math Response

計算答案

Type answer here

Correct Answer: 23\frac{2}{5}

Deg^°

Rad