rút gọn và tính giá trị của các biểu thức sau

Eventually reached totally sketch for ahead heard much Clearly straight attracking pleased off fast there I used to go into the country to (31) ________ animals and plants, carrying my drawing materials in a bag. One day I was walking across a field, looking (32) ________ rabbits to draw. Lost in thought, I had not noticed a bull running towards me. About one hundred meters (33)________ was a tree under which I intended to sit and draw. Suddenly, I (34) ________ a noise behind me. I turned and saw the bull. I knew that a bull cannot see (35) ________ and notices only shape and movement. I did not panic but ran towards the tree, keeping the tree, myself and the bull in a (36) ________ line. To distract the bull, I then threw my bag to the right, so it was out of the line of the tree. The bull saw this sudden movement and headed towards the bag. I (37)______ the tree and climbed up it. From there I watched the bull (38) ________ my bag with its horns and feet. It continued to do this for fifteen minutes I was very (39) ________ to be, up the tree. (40) ________ the bull was satisfied and move off. I waited until it was a very long way(41) ________ and then got down from the tree and picked up my bag. I left the field as (42)________ as I could and then looked inside my bag. Everything in it was (43) ________ ruined.

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Những từ được gạch chân: frightened, when, she was, with long black hair. Chọn từ sai và sửa lỗi 1. Jessie looked so frightened when she was in that white costume with long black hair. 2: My parents will lend me the money. Otherwise, I cannot afford the trip. A. I can afford the trip unless my parents lend me the money. B. I cannot afford the trip in case my parents lend me the money. C. If my parents lend me the money, I can afford the trip. D. Provided my parents lend me the money, I cannot afford the trip. Mọi người làm giải thích giúp e ạ. E cảm ơn

Vẽ đậu mầm hoang mang NL:ảo thực sự luôn các bn ạ

Xếp từ nhỏ đến lớn: `0; 1/2009; -1/28; -1/2008`

Rút gọn biểu thức C=1/x+2 căn x +1 +1/x-1) : căn x/căn x+1

giup minh 3 cau a,b,c nha mng thx nhieu a

mn viết văn tiếng anh kể về trò chơi cầu lông ik ak. nhớ kể cho em về cách chới nhé ( lưu ý phải có bản dịch,no coppy

Bài 1/Cho hình bình hành ABCD hai đường chéo cắt nhau tại O. Hai đường cao AM, DN của tam giác AOD cắt nhau tại H .2 đường cao CP, BQ của tam giác BOC cắt nhau tại K. Chứng minh a) MNPQ là hình bình hành b) O là trung điểm của HK