HOC24
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Chủ đề / Chương
Bài học
\(\sqrt{2x-3}+\sqrt{5-2x}=3x^2-12x+14\)
\(\dfrac{x^2-6x+15}{x^2-6x+11}=\sqrt{x^2-6x+18}\)
\(\sqrt{-x^2+4x-2}+\sqrt{-2x^2+8x-5}=\sqrt{2}+\sqrt{3}\)
\(\sqrt{x^2-4x+5}+\sqrt{x^2-4x+8}+\sqrt{x^2-4x+9}=3+\sqrt{5}\)
(a)Is it he (b)who (c)will be sack (d)by the manager?
It is (a)the village (b)where you (c)used to living, (d)isn't it?