$\sqrt{2}$ $- 1 < 2 - 1 = 1$
$\sqrt{3}$ $- 1 <$ $\sqrt{4}$ $- 1 = 2 - 1 = 1$
Đáp án:
Giải thích các bước giải:
$\sqrt{2 - 1}$ và 1
$\sqrt{2 - 1}$ = 1
⇒ 1 = 1 → $\sqrt{2 - 1}$ = 1
$\sqrt{3 - 1}$ và 1
$\sqrt{3 - 1}$ = 2
⇒ 2 > 1 → $\sqrt{3 - 1}$ > 1
giúp mik với mik cảm ơn bài 11 ạ T-T
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