Giải giúp em gấp ạ
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1 The distance from my home to school is about 3 km
2 My mum used to live in a small village when she was small
3 Despite being a millionaire , he lives in a small flat
4 when does the festive take place ?
5 It is about two kilometres from my home to school
6 he didn't use to ride his bike to school
7 Despite having a test tomrrow , they are still watching TV now
1) ĐKXĐ: \(x\ge0\)
2) ĐKXĐ: \(\left\{{}\begin{matrix}x\ge0\\x\ne9\end{matrix}\right.\)
3) ĐKXĐ: \(x\ge4\)
4) ĐKXĐ: \(x>16\)
5) ĐKXĐ: \(\left[{}\begin{matrix}x\le-2\\x\ge0\end{matrix}\right.\)
6) ĐKXĐ: \(\left[{}\begin{matrix}x\le-1\\x\ge4\end{matrix}\right.\)
7) ĐKXĐ: \(\left[{}\begin{matrix}1\le x\\x< 3\end{matrix}\right.\)
8) ĐKXĐ: \(\left[{}\begin{matrix}x\le-2\\x>3\end{matrix}\right.\)
9) ĐKXĐ: \(x\in R\)
10) ĐKXĐ: \(x\in R\)
11) ĐKXĐ: \(x\in R\)
12) ĐKXĐ: \(x\in R\)
13) ĐKXĐ: \(x\in R\)
14) ĐKXĐ: \(x\in R\)
15) ĐKXĐ: \(x\in R\)
16) ĐKXĐ: \(x\ne-\dfrac{1}{2}\)
17) ĐKXĐ: \(x\ge7\)
18) ĐKXĐ: \(x\ge-5\)