XI. Pronunciation. 1. climb able brave suburb 2. weak healthy peanut measles 3. cooked brushed danced needed 4. cousin catch circus culture 5. painted joined preferred stayed 6. talked visited rented fitted 7. help pen send fever 8. stamp sew opposite bookstore 9. milk library dinner polish 10. pork go nose cold 11. started needed protected stopped 12. improve cover gloves stomach 13. durian cucumber painful duty 14. sure scales serious stir 15. presents pymptoms chopsticks patients 16. early beat seafish reader 17. class play stay gray

cho tam giác ABC cân tại A, AB=10cm,BC=16cm. gọi G là trọng tâm của tam giác ABC. tính độ dài đoạn thẳng AG.

Vẽ hình và giải

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What kind of food will help people to keep fit and stay healthy?