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huyenthai355
2 năm trước
Khi uống nước giải khát, người ta hay sử dụng ống hút nhựa dạng hình trụ đường kính đáy là 0,4 cm; chiều dài ống hút là 18 cm. Hỏi khi thải ra môi trường, diện tích nhựa gây ô nhiễm môi trường do 100 ống hút này gây ra là bao nhiêu
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Các câu hỏi liên quan

1) The man ____________ your mother is talking to is my English teacher. 2) Ha Long Bay is a beautiful spot ____________ thousands of tourists visit every year. 3) The students ____________are standing in front of the library are my classmates. 4) Hoa’s parents, ____________ are farmers, work very hard to earn their living. 5) The children like to play football ____________ is very popular in our country. 6) These are the latest news ____________ you might want to know. 7) Ba and his friends are fond of the performing animals ____________ have just come to town. 8) The beach ____________ the students are cleaning up the trash is a beautiful one. 9) The parrot ____________ can speak some words belongs to my close friend. 10) This is the best movie ____________ I have seen. 11) He is enjoys reading books ____________ are on computer science. 12) Mother’s Day is the day ____________the children show their love to their mother. 13) Tet is a Vietnamese festival ____________ takes place in late January or early February. 14) The little girl ____________ is wearing the red dress sings beautifully. 15) Thu enjoyed her trip to Da Lat ____________ her grandparents lived long ago. 16) Lan’s parents came back to Ha Noi ____________ they visited last year. 17) They like Asian food ____________ is sold in that market. 18) Mary, ____________ sits next to me, is good at maths. 19) My office, ____________ is on the second floor of the building, is not very big. 20) That’s Jack, ____________ lives next door.

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