Đáp án:
Giải thích các bước giải:
Diện tích hình chữ nhật là
42 x 20 = 840 ( m²)
Diện tích hai nửa hình tròn là
( 20 : 2 ) x ( 20:2) x 3,14 = 314 ( cm²)
Diện tích sân bóng đá là
840+314=1154 ( cm²)
Đáp số : 1154 cm²
chúc bạn học tốt , nocopy
12. I/ think/ we/ live/ Moon/ future. A. I think we live on the Moon in the future. B. I think we will live on the Moon in the future. C. I think we will live in the Moon on the future. D. I think we will live on Moon at the future. 13. Conclusion/ changes/ climate/ continue/ next/ century. A. In conclusion, the changes in climate will continue at the next century. B. In conclusion, the changes of climate will be continue at the next century. C. In the conclusion, the changes in climate will continue in the next century. D. In conclusion, the changes in climate will continue in the next century. 14. After/ years/ looking/ astronomers/ find/ planet/ similar/ Earth. A. After many years to looking, astronomers find a planet that is similar Earth. B. After many years to looking, astronomers have finded a planet that is similar to Earth. C. After many years of looking, astronomers have found a planet that is similar to Earth. D. After many years of looking, astronomers have found a planet that is similar as Earth. 15. It/ good/ idea/ do/ morning exercises/ day/ day. A. Its good idea to do morning exercises day by day. B. Its a good idea to doing morning exercises day and day. C. Its a good idea doing morning exercises day and day. D. Its a good idea to do morning exercises day by day. 16. There/ be/ something/ new/ interesting/ visit/ Earth. A. There is something new and interesting to visit on Earth. B. There are something new and interesting to visit on Earth. C. There is new and interesting something to visit on Earth. D. There is something new and interesting to be visiting on Earth. 17. I/ prefer/ package holidays/ hiking/ mountains/ because/ I/ like/ relax/ holiday. A. I prefer package holidays than hiking in the mountains because I like to relax on holiday. B. I prefer package holidays to hiking in the mountains because I like relax on holiday. C. I prefer package holidays to hiking in the mountains because I like to relax on holiday. D. I prefer package holidays to hiking in the mountains because I like to relax in holiday. 18. Climate scientists/ measure/ temperature/ rainfall/ part/ Earth/ over/ years. A. Climate scientists have measured the temperature and rainfall on every part of the Earth over many years. B. Climate scientists measured the temperature and rainfall on every part of the Earth over many years. C. Climate scientists measured the temperature and rainfall in every part of the Earth over many years. D. Climate scientists have measured the temperature and rainfall on every part on the Earth over many years. 19. You/ learn/ Italian/ when/ you/ be/ there/ ?/ A. Have you learnt Italian when you were there? B. Did you learn Italian when you have been there? C. Did you learn Italian when you were there? D. Do you learn Italian when you are there? 20. He/ love/ watch/ TV programs/ natural world/ famous/ explorers. A. He loved watching TV programs about the natural world with famous explorers. B. He loved watch TV programs about the natural world with famous explorers. C. He loved watching TV programs in the natural world with famous explorers. D. He loved watching TV programs about the natural world in famous explorers.
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Bộ máy nhà nước chia làm mấy cấp? Đó là những cấp nào ? Ở mỗi cấp cơ quan đứng đầu là j ? ( Mk lm xogg 2 ý đầu rồi, các bạn giúp mk ý cuối nhé)
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Giúpe tớ với ạ thanks các cậu iu .ai mún tui tặng cho bột trà xanh ko
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