Rút gọn biểu thức sau: A= |-3|+2+15x khi x <= 0 B= |-3x^2|- 8x^2+|x-2| khi x >= 2 C= |x-7|+2x - 3 khi x<7 D= |-3x -2|- 8x^2 + x-2 khi x<= -2/3

Tạo logo: TOP ONE IN THE WORLD Yêu cầu: -TOP ONE IN THE WORLD màu xanh lá -Viết thành `2` dòng +Dòng đầu là: TOP ONE +Dòng cuối là: IN THE WORLD

$Làm$ $tính$ $chia$ $a)$ $13(a-b)^{8}$ $:$ $5(a-b)^{2}$ $b)$ $\frac{-3}{2}$$(x-y)^{6}$ $:$ $\frac{3}{4}$$(x-y)^{3}$ $c)$ $($$x^{3}$ $+$ $8$ $)$ $:$ $($ $x$ $+$ $2$ $)$

tìm x,y thuộc z,biết: a)x/4 -2/y =3/2 b) x/8-2/y =3/4

chỉ mình câu b bài 1 bà a b bài 2 ạ

Bài 5: Cho phương trình: x^2 - (m +5)x – m+ 6 = 0 (1), (x là ẩn, m là tham số) a) Giải phương trình với m = 1. giupd mink nhanh vs :((((((((

Bài 6: Khoanh tròn vào đáp án đúng: 1.The teacher asked me to speak___________. A.loud B.louder C.more loud 2.Today you looks________than usual. A.more confident B.more confidently C. confidently 3.Your house is_______decorated than me. A.more beautiful B.more beautifully C.beautifully. 4.No one in my class runs__________than Peter. A.more fastly B.more better C.faster. 5.This time you did much________! A.better B.more better C.more well 6.You have to work_________If you want to succeed. A.more hardly B.hardlier C.harder 7.Today I come to class_________than usual A.more early B.earlier C. early 8.You need to work___________, or you will make a lot of mistakes. A.more careful B. more carefully C. carefully 9.She walks__________than other people. A.slower B.slowlier C.more slowier 10.The blue skirt suits you_______than the black one. A.better B.more better C.more well

[$\frac{1 \frac{11}{31}. 4 \frac{3}{7} -(15-6 \frac{1}{3}. \frac{2}{19} )}{4\frac{5}{6}+\frac{1}{6}.(12-5\frac{1}{3}}$ . (-1 $\frac{14}{93}$)].$\frac{31}{50}$ GIÚP MÌNH VỚI

i, (x^2+2x+1).(x^2+2x+3)=99 giúp mik ik gứa cho hay nhất

Bài 5: Sắp xếp các từ sau thành câu hoan chỉnh: 1.London /think/ is/ than/ more/ I/ New York/ expensive. ____________________________________________________________________________ 2.Important/ is/ Health/ than/ money/ more. ____________________________________________________________________________ 3.in / in/ city/ better/ the / is/ in /than / country/ convenient / than / is. ____________________________________________________________________________ 4.in / health care/ city/ better/ the / is/ in / than / countryside/ the service/ the. ____________________________________________________________________________ 5.living/ is/ than / in /rural/ more/ areas / living/ urban /in / comfortable/ ____________________________________________________________________________ 6.in/ pasture / this/ that/ area / richer / is / area. ____________________________________________________________________________ 7. Peter/ better / Math/ than / at/ is / Tom. ____________________________________________________________________________ 8.crowded/ cities/ often / than / more/ are/ the / countryside. ____________________________________________________________________________ 9.this /cake/ is /that/ more/ one/ delicious/ than? ____________________________________________________________________________ 10.Who/ more/ than / Tom / can /in / intelligent / class/ his? ____________________________________________________________________________