(2x-2^4).6^3=2.6^4
giup mik voi ,mik ko biet lam!!??????
mấy bạn tinh giup mik bai nay voi
100-99+98-97.....+4-3+2-1
Giai giup mik voi
5/9.2/7+5/1.5/9+4/9
B,(2/3.5/7+2/3:7/2)-1/3
Cam on trc nha
2.(x-3)=0
giup mik voi
A=-[-806-(-791)+2012]-(806-1791)
B=9-(119).34+119.(-77)-(-119).11
C=-(-2^4)+(-3)^3-(-1)^2011
tinh hop li (neu co the)
giup mik voi ! Ai dung mik tick cho
/2.x-3/=x-1
lam giup mik voi
giup mik voi tim x biet
1, 5-(3x+6)>-2x+1
2, -7.(x+2)-3x<6-11x
3, (x+1).(x+2)-x.(x+3)<4-x
4, 6-2x>17+(4-x)
\(\frac{3^2}{1.4}+\frac{3^2}{4.7}+.....+\frac{3^2}{1.97}\)
Giup mik voi
cam on nhieu
a) (3^x-15)^7=0
b) 4^2.x-6=1
GIUP MIK VOI NHA !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
truoc 8 gio sang ai giai nhanh nhat mik se tik cho nguoi do
