Make complete sentences using the prompts.
41. What / your bedroom / like?
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42. Open / your book / page 25.
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43. My house / be / big / modern.
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44. The bathroom / be / second / floor / near / the living room.
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45 There / some posters / my favourite actor / the wall / my bedroom.
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Make questions for the underlined words.
46. My family has got a canal boat, and its name is Oceana.
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47. The police station is behind the museum.
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48. My ideal house is modern.
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49. The bedside cabinet is next to the bed.
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50. Yes, there is. There is a poster on the wall.
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Gọi số đó là \(x\)( \(x\) \(\in\) N)
Theo bài ra ta có: \(\left\{{}\begin{matrix}x=3k;k\in N;k>0\\54⋮3k\end{matrix}\right.\)
⇒ 3k \(\in\) Ư(54) = {1; 2; 3; 6; 9; 18; 27; 54}
⇒ k \(\in\) {\(\dfrac{1}{3}\); \(\dfrac{2}{3}\); 1; 2; 3; 6; 9; 18}
Vì k \(\in\)N* ⇒ k \(\in\) {1; 2; 3; 6; 9; 18}
⇒ \(x\) \(\in\) {3; 6; 9; 18; 27; 54}