user-avatar
hanga13101984
2 năm trước
cho tam giác ABC các đường trung tuyến AD,BE,CF cắt nhau ở G.gọi H là điểm đối xứng với G qua D,I là điểm đối xưng với G qua E,K là điểm đối xứng vs G,F.tìm cái điểm đối xứng với A,B,Cqua G
Thích Trả lời Chia sẻ

Các câu hỏi liên quan

1) Put the verbs in brackets in the correct verb tense : the Present Perfect or Past Simple. 1. Someone ( turn )__________on the hi - fi. Do you know that song ? 2. The match ( just start )_________. Our team is playing very well. 3. My mother ( do )_________all the cleaning. The apartment is relly clean now. 4. He ( lose )___________his credit card. he can't find it anywhere. 5. Prices ( go )__________up. Everything is more expensive nowadays. 6. ( you / buy )__________the laptop yet. 7. I ( have )_________this IPad for three years 3. My father ( give )_________it to me when I was in grade 6. 8. I ( watch )__________the film Titanic already. 9. Miss White ( work )________in Ha Noi from 2011 and 2014. 10. I ( be )___________to Sa Pa twice since 2000. 2) Fill in each blank with the correct linking word. 1. Paul likes to help the sick__________he has donated blood several times. 2. Take a coat____________it's cold outside. 3. Homeless children are__________they don't have enough food, warm clothes and schooling. 4. Nick went to bed early____________he felt very tired. 5. We went to the nursing home___________we talked and sang for the elderly. 3) Fill in each blank with just' already or yet. 1. I haven't had lunch___________________ 2. I've_____________had my exam results. 3. My father has_____________returned from his trip to Australia. 4. I have___________had three tests this week. 5. Have you played your new computer game______________?

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