\(3\left(2x+1\right)^3=81\\ \Leftrightarrow\left(2x+1\right)^3=27\\ \Leftrightarrow2x+1=3\\ \Leftrightarrow2x=2\\ \Leftrightarrow x=1\)
Giup minh voi,minh dang rat can
Mot truong to chuc cho hoc sinh di tham quan.Neu xep moi xe 42 nguoi hay 45 nguoi deu thua1 hoc sinh.Tinh so hoc sinh di tham quan,biet rang so hoc sinh do trong khoang tu 1200 den 1300 em.
co ai giup minh voi khong ,giup minh tra loi hai cau hoi nay voi !
Viet tich sau duoi dang mot luy thua :x . x2 .x3 .x4 .x5....x49 .x50 .x51 .x52
Tim cac so tu nhien x,y sao cho:(x+1) (y-2) =2
moi nguoi oi giup minh di chu !
☹➞cac ban giup minh cau nay voi
☛ tinh tong
M = 1+\(\dfrac{1}{5}\)+\(\dfrac{3}{35}\)+...\(\dfrac{3}{9603}\)+\(\dfrac{3}{9999}\)
➜giup minh nhanh nhe minh dang can gap lam moi nguoi a
➞thank you cac ban ❕
Viet tich sau duoi dang mot luy thua
x . x2 .x3 .x4 .x5 ....x49 .x50 .x51 .x52 sap di hoc roi, moi nguoi oi ra tay giup minh voi!
Tim so nguyen x, biet :
a) (1/2 - 1/3) . 6x + 6x + 2 = 615 + 618.
b) (1/2 - 1/6) . 3x + 4 - 4 . 3x = 316 - 4 . 313.
Minh dang can gap. Ai biet thi chi giup minh voi nhe! Cam on moi nguoi .
Tinh nhanh ( neu co the ) : 4^2017 : ( 4^2014 + 3 . 4^2014 )
Mik dang can gap moi nguoi giup minh voi a
moi nguoi oi giup minh voi, ca cach giai nua nhe, dung thi minh se tich cho. thank you moi nguoi
tim x biet
x^2 - 1 < 15
cho A=2+22+23+........+260.Chung minh rang A chia het cho 5.31 va 15
Cho B =1+2+22+23+.........+260.Tim so du khi chia B cho 5,31 va 15
moi nguoi online math oi giup ti di a dang can rat gap
1+5+2+10+3+15+4+20+...+2015+?
moi nguoi giup em voi
