user-avatar
danh03052005
2 năm trước
Tính nhanh $\frac{1+\frac{3}{7} +\frac{7}{9} }{3+ 1\frac{2}{7}+2\frac{1}{3}}$ + $\frac{2222}{3333}$
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

VI. Choose the best one (A, B, C or D) to complete the sentence or replace the underlined word. 1. Nuclear energy is , but it is dangerous. A. renewable B. non-renewable C. natural resource D. fossil fuel 2. Fossil fuels are very common in our society but they the environment. A. waste B. pollute C. renew D. provide 3. All the houses in our village will be by solar energy. A. frozen B. widened C. heated D. heightened 4. Several governments try to the use of fossil fuels. A. waste B. save C. reduce D. increase 5. At this time next week, we a wind turbine in our garden. A. will installed B. will be installing C. install D. installed 6. Low energy light bulbs should be used to electricity. A. convert B. save C. spend D. buy 7. It is a good idea to use when travelling long distances. A. private cars B. public transport C. cars D. taxis 8. “Why is it called a source?” - “Because it can be replaced easily and quickly.” A. renewable B. non-renewable C. effective D. specific 9. We must the amount of water our family use every day. A. lessen B. narrow C. lower D. reduce 10. Wave energy is a source of energy. A. environmental friendly B. environmentally friendliness C. environment friendly D. environmentally friendly 11. Alternative sources of energy developed in the near future. A. has been B. will be C. is D. was 12. She cooking in the kitchen at 7 PM tomorrow. A. will B. is C. will be D. be 13. Some new energy-saving bulbs in the dining room. A. will be put B. will put be C. will put D. will be putting 14. What should we do to electricity? A. take B. save C. cut D. waste 15. The wind, the sun, and the wave are some types of sources of energy.

2018 © Loga - Không Ngừng Sáng Tạo - Bùng Cháy Đam Mê
Loga Team