Sắp xếp thành câu hoàn chỉnh:
1. my/ English/ and/ favorite/ Musis/ subjects/ are.
2. We/ how/ learn / use/ to/ computer/ a/ Computer Science class/ in/ our.
3. She/ lunch/ for/ cooks/ homeless/ once/ people/ a week.
4. noisy/ the bell/ yard/ very/ rings/ until/ is/the.
5. take/ recess/ part/ in/ we/ activities/ at/ different/ many.
6. has/ John/ History/ Monday/ and/ on/ classes/ Wednesday.
7. my/ sometimes/ I/ movie theater/ children/ take/ to/ the.
8. young/ can/ people/ help/ with/ people/ old/ housework/ their.
Tổng là:(995+1).995/2=495510( số chẵn)
Em ơi sao bài toán kì quặc vậy
x thuộc { 0 ; 1 ; -1}