1 tủ sách đựng 1 sô sách nhất định,nếu mỗi ngăn xp đủ 15 quyển thì thừa 3 quyển,nếu mỗi ngăn xếp 16 quyển thì thiếu 6 quyển.Hỏi tủ mấy ngăn cả tủ có bao nhiêu quyển sách

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Vi, sắp xếp các từ xáo trộn thành câu hoàn chỉnh : 1, small / thin / sister / white / and / his / lips / teeth / has . ................................................................................................................................................................................... 2, lifter / heavy / so / he / is / and / a / strong / weight / very / he's . ................................................................................................................................................................................... 3, Young's round / Mrs. / or / is / oval / face ? ................................................................................................................................................................................... 4, arms / fingers / the / ten / are / two / in / body / and / there . ................................................................................................................................................................................... 5, hair / face / eyes / has / a / round / short / blue / black / Mr. Pike / and . ................................................................................................................................................................................... 6, Children / thin / but / they / your / are / strong / are . ................................................................................................................................................................................... 7, full / she / and / lips / white / has / small / teeth . ................................................................................................................................................................................... 8. are / What / her / colour / eyes ? ................................................................................................................................................................................... 9, you / is / with / the / matter / what ? ................................................................................................................................................................................... 10, this / to / and / take / medicine / go / bed . ................................................................................................................................................................................... 11, football / Long / playing / Giang / and / are / the / in / schoolyard . ................................................................................................................................................................................... 12, has / she / sore / a / throat . ...................................................................................................................................................................................13, friend / has / my / bad / a / throad . ...................................................................................................................................................................................14, mother / is / short / fat / his / and ? ...................................................................................................................................................................................15, can / can't / son / read / write / her / he / litter / but . ...................................................................................................................................................................................16, they / smile / most / old / children / when / weeks / can / are / six . ...................................................................................................................................................................................17, and / usually / breakfast / gets up / has / eleven / at / at / he / o'clock /lunch time . ...................................................................................................................................................................................18, day / do / lesons / many / school / every / how / have you at ? ................................................................................................................................................................................... 19, them / building / plans / new / the / the / showing / architect / is / his /of . ...................................................................................................................................................................................20, Dalat / Nam / going / his / in / is / to / holidays / have ? ...................................................................................................................................................................................