Bài 1: a, -(-5) - (+7)+(-3)+(-14) b, -14+12-17+18 c, -/-13/-/+7/+/-4/+/-5/ d, { -(5-3)-/-7/+/-9/} -(-5) e, -10+(-15)-(-7)+(-8) g, - (-15)-(+9) +(-4) +(+5) f, 3-{ - (-5)+3}-{4-(-7)} Bài 2: a, -(-15)-(+27)+27+(-15)+(-29) b, -50+(-14)-(-14)+(-42) - (-50) c,-/-24/-/27/+(-14)-(-24)+27 d, 12-(4+105-13)+(4+105-13) e, 32-(-7-28+15)-(7+/-28/+32) f, -371-[1920+(-371)] g, (-462-174)-(-462-174) h,14-/-4/-/15-18/ i, 10-{ 12-[-9+(-1)]} k,1994+(-252)+(-1894)+(-48)+57 l,-1596+875-424+(-75)-147 n, 1+(-2)+3+(-4)+...+39+(-40) m, 1-2+3-4+....+199-200 o, 1+3-5-7+9+11-13-15+...+395-397-399 p, 1+2-3-4+5+6-7-8+...+97+98-99-100

Em hiểu thế nào về câu "Trên mạng xã hội, mỗi người là một ông bầu của chính mình trong cuộc xây dựng cho mình một hình ảnh cá nhân."

Câu 5: Hãy điền tên nhân vật lịch sử sao cho phù hợp với nội dung sự kiện lịch sử sau. Nhân vật Nội dung sự kiện …………1……………… Chỉ huy cuộc kháng chiến của quân dân ta ở Đà Nẵng chống lại thực dân Pháp năm 1858 …………2……………… Lãnh đạo nghĩa quân đốt cháy tàu Pháp trên sông Vàm Cỏ Đông. …………3……………… Được nhân dân tôn là Bình Tây đại nguyên soái. …………4……………… Ông đã dùng văn thơ để chiến đấu chống giặc, là tác giả của Văn tế nghĩa sĩ cần Giuộc

Các bạn giải giúp mình nha Mình đã đăng 2 lần rồi mà kh có ai trả lòi

Điện phân dd X chứa m gam hh Cu(NO3)2 và NaCl với điện cực trơ, màng ngăn xốp, cường độ dòng điện không đổi I = 2,5A.Sau 9264s, thu được dd Y ( vẫn còn màu xanh) và hh khí ở anot có tỉ khối so với H2 bằng 25,75. Mặt khác nếu điện phân X trong thời gi an t giây thì thu được tổng số mol ở 2 cực điện là 0,11 mol ( số mol khí thoát ra ở điện cực này gấp 10 lần số mol khí thoát ra ở điện cực kia). Giả thiết HS điện phân là 100%, các khí sinh ra không tan trong nước và nước không bay hơi trong quá trình điện phân. Tính m?

mọi người giúp mình 2 bài này với ạ ^^ cảm ơn trước ạ

Mark the letter A, B, C, or D to indicate the sentence that is closest in meaning to each of the following questions. 1. The government should create more job opportunities for women in rural areas. A. Women in rural areas should create more jobs for the government. B. More job opportunities should be created for the government by the women in rural areas. C. More job opportunities should be created for women in rural areas by the government. D. Rural areas should be created more job opportunities by women in the government. 2. We all object to wage discrimination. A. We all support wage discrimination. B. We all protest against wage discrimination. C. We all struggle for wage discrimination. D. Wage discrimination is what we fight for. 3. Health care insurance should be provided for everyone. A. All people should have access to health care insurance. B. Health care insurance should be free for everyone. C. Everyone should have free access to health care insurance. D. Only a limited number of people can access free health care insurance. 4. In some rural areas, parents still prefer their sons to their daughters. A. Sons are not as favoured as daughters in some rural areas. B. Parents in some rural areas like their daughters more than their sons. C. Parents in some rural areas still favour their sons rather than daughters. D. Daughters are more preferable than sons in some rural areas. 5. Single-sex schools should be abolished by the government. A. Single-sex schools should be controlled by the government. B. Single-sex schools should be allowed to multiply by the government. C. The government should promote single-sex schools. D. The government should eradicate single-sex schools. Mark the letter A, B, C, or D to indicate the sentence that best combines each pair of sentences in the following questions. 6. Gender discrimination in education starts at home. Parents treat boys and girls differently. A. If parents don’t treat boys and girls differently, gender discrimination in education starts at home. B. Gender discrimination in education starts at home unless parents treat boys and girls differently. C. Gender discrimination in education starts at home if parents treat boys and girls differently. D. If gender discrimination in education starts at home, patents treat boys and girls the same. 7. Gender differences cannot prevent a person from pursuing a job. Success comes to those who have enough courage and will. A. Unless success comes to those who have enough courage and will, gender differences cannot prevent a person from pursuing a job. B. Gender differences cannot prevent a person from pursuing a job unless success comes to those who have enough courage and will. C. Gender differences can prevent a person from pursuing a job because success comes to those who have enough courage and will. D. Gender differences cannot prevent a person from pursuing a job because success comes to those who have enough courage and will. 8. Men should share household tasks with their wives. This helps to maintain gender equality at home. A. Men should share household tasks with their wives unless this helps to maintain gender equality at home. B. Men should share household tasks with their wives in order to maintain gender equality at home. C. Men should share household tasks with their wives, but this helps to maintain gender equality at home. D. Men shouldn't share household tasks with their wives because this helps to maintain gender equality at home. 9. Women have to do too much work. They will be exhausted. A. If women have to do too much work, they will be exhausted. B. Unless women have to do too much work, they will be exhausted. C. As long as women don’t I have to do too much work, they will be exhausted. D. In case women have to do too much work, they won’t be exhausted. 10. Wage discrimination attects women negatively. This should be abolished. A. Wage discrimination should be abolished, so it affects women negatively. B. Wage discrimination affects women negatively because this should be abolished. C. Wage discrimination affects women negatively, so this should be abolished. D. Wage discrimination should be abolished unless it affect women negatively. Help me please !!!

(x+1)+(x+3)+(x+5)+…+(x+99)=0 Câu này với một bài hình học nữa nhé!

a^2(b-c)+b^2(c-a)+c^2(a-b)/a^4(b^2-c^2)+b^4(c^2-a^2)+c^4(a^2-b^2) Rút gọn phương trình sau:

Viết câu hỏi cho câu trả lời 1.They often have Turkey for Thanksgiving 2.On last Friday of APril