Hiệu của hai số tự nhiên là 603. Nếu xóa hữ số 0 ở hàng đơn vị số lớn thì được số nhỏ. Tìm hai số đó.

171. She bought some …………………. ornaments for the coming Christmas. (decorate) 172. He ……………………. avoided answering the questions. (study) 173. She has just passed her driving test but she is still ………………………. (experience) 174. Women wear make-up to ………………….. themselves. (beautiful) 175. We have a row because we’ve ……………………… each other. (understand) 176. The journey was long and seemed …………………….. (end) 177. English is a ……………………. easy language for Swedes to learn. (compare) 178. It’s ………………………how many cats he has ! (believe) 179. My employer says she is not …………………… with my ………………. (satisfy / perform) 180. Last month my father was ………………… His …………….….. made us happy. (promote)

161. The student wrote the ……………………… of his city to the teacher. (describe) 162. They haven’t found the …………………… for this problem yet. (solve) 163. Mr. Jackson was the most ………………… people at the meeting yesterday. (sense) 164. India gained her ……………………… from Britain after World War II. (depend) 165. All the newspaper praised the ………………… of firemen. (brave) 166. There has been a ………………… of 10 % on every foreign books in this bookstore. (reduce) 167. If you eat too much, you will become ………………………. (weigh) 168. …………… are trying to find an ………………… substitute for gasoline. (science / expense) 169. During the ………………………, Issac Newton lived in a small town of Woodsphere. (child) 170. The reason for his absence is clear. It is …………………………… (deny)

Cho hàm số [(4-m)(6-x)^1/2 + 3]/[(6-x)^1/2 + m] , có bao nhiêu giá trị nguyên của m trong khoảng (-10;10) để hàm đồng biến trong khoảng (-8; 5) ?

151. We have to……………………. a lot of phrasal verbs. (memory) 152. It was the biggest ………………………. since the war. (demonstrate) 153. Stamp-collecting holds a strange……………………… for some people. (fascinate) 154. Do you feel …………………………. when you are away from home? (sick) 155. There are plans to ………………………… the ……………………. area. (large / recreate) 156. The ………………… of telephone ………………………. communication between people. (invent / revolution) 157. What is the correct ……………………………. of this word? (pronounce) 158. What would you do if you were a ………………………….? (million) 159. …………………….., we heard ………………… vice outside the house. (sudden /loud) 160. Technology and Science have …………………… changed the place of buffalos on the paddy fields. (gradual)

câu 7,8,9 làm hộ mik vs mik cảm ơn

vẽ hình nhamn Cho góc xAy bằng 90 độ, trên tia Ax lấy điểm B sao cho AB = 9cm, trên tia Ay lấy điểm C sao cho AC = 12cm. Qua B kẻ đường thẳng vuông góc với Ax, qua C kẻ đường thẳng vuông góc với Ay, hai đường thẳng này cắt nhau tại D.a)Tứ giác ABDC là hình gì? Vì sao?b)Kẻ CH vuông góc với AD ( H thuộc AD) cắt BD ở E. Chứng minh tam giác CHD đồng dạng với tam giác CDEc)Tính AH.d)Gọi K là giao điểm CE và tia Ax. Chứng minh CH . CE + AK . CD = AD^2

Viet lai theo 2 cach It wasn't necessary for them to call for help after all.

Trong mặt phẳng Oxy, cho phép biến hình f: M' là ảnh của M(x;y) qua phép biến hình f =(x;-y+7). Tìm tạo ảnh của đường thẳng d: 5x+y+5=0 qua phép biến hình f.

giúp mình với 3.(5x+2/3) ²= 4/3