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title: Day 2
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tags: `2023冬期講習会`

## Day 2
### 問題(1)

$$\dfrac11+\dfrac11+\dfrac11=3$$

$$\dfrac12+\dfrac12+\dfrac12=\dfrac32$$

$$\dfrac13+\dfrac13+\dfrac13=1$$

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## Day 2
### 問題(2)

$$1+1+1+1+1=5>1=1\times1\times1\times1\times1$$

$$2+2+2+2+2=10<32=2\times2\times2\times2\times2$$

$$3+3+3+3+3=15<243=3\times 3\times 3\times 3\times 3$$

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