C=3 √8 - √50 - √( √2-1) ²

2 câu trả lời

`C=3\sqrt{8}-\sqrt{50}-\sqrt{(\sqrt{2}-1)^2}`

`C=6\sqrt{2}-5\sqrt{2}-|\sqrt{2}-1|`

`C=\sqrt{2}-\sqrt{2}+1`

`C=1`

 

$\text{C=3$\sqrt{8}$-$\sqrt{50}$-$\sqrt{(√2-1)²}$}$

$\text{C=6$\sqrt{2}$-5$\sqrt{2}$-l$\sqrt{2}$-1l}$

$\text{C=6$\sqrt{2}$-5$\sqrt{2}$-$\sqrt{2}$+1}$

$\text{C=1}$

 

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