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tinhthanhnguyen.111990
2 năm trước
Bài 1:Tính giá trị lớn nhất của biểu thức M=5-|x+1|,với x thuộc Z Bài 2:Tính tổng các số nguyên thỏa mãn -5 bé hơn hoặc bằng x bé hơn hoặc bằng 3 Bài 3:Tính (-5)+(+2)+|-3|+|+2| Bài 4:Tìm giá trị nhỏ nhất của biểu thức A=|x+2|+5 với x thuộc Z
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1.Read the passage The vietnamese students take part in different after-school activities .Some students play sports .They often play soccer , table tennis and badmonton. Sometimes, they go swimming in the swimming pool.Some students like music,drama and movies.They often practice playing musical instuments in the school music room .Tey join in the school theater group anf usually rehearse plays .Some are membars of the stamp collertor is club . They often and get together and talk about their stamps. A few students stay at home and play video games or computer games.Most of them anjoy their activies after school hours. a, Decide if the following statements are True (T) or False (F) 1.after school, students in Vietnam take part in different activies 2.some students often play soccer, tennic and badminton in their classroom b, Answer the question 1. where so some students often practice playing misical instruments ? 2. how often do they rehearse plays ? 3. what do the members of stamps collecton is club often do? 4. do vietnamese students enjoy their activies?

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