Các câu hỏi tương tự
2^3.x+5^2=45-2x giup mik giai bai nay nhe mik can gap lam
giup minh 2 cau nay nhe
a 3.(x+5)-8=x+17
b/ 5(x+3)-10=2x-19
giup minh nhe minh bay gio can gap lam mai minh phai nop roi
1/2X+3/5(X-2)=3
THANKS nhieu nha
ban nao lam dc thi lam giup minh nhe
Tim x biet: (\(2x^2+7\))x(\(-3x-9\))<\(0\)
Giup mik voi ai nhanh mik tik cho^-^
Nho lam day du ho mik nhe,Thanks=))
3-6-(-2) lam nhe mik k cho
Tim n thuoc Z de
n+7/3n-1 la so tu nhien(giai giup mik nhe,can gap lam)
1) (-1005).(x cong 2 ) bang 0
2) x cong x cong x cong 91 bang -2
3) / 5x cong 1/ bang 11
( thong cam nha , may mik k viet dc dau cong vs bang )
mik dg gap , giup mik nhe !
(-2) mu 3 . -1/24 +(4/5 -1,2 ) : 2/15
tra loi nhanh nhe mik dang can gap
Cho A = 2014+2014^2+2014^3+...+2014^2014
CTR : A chia het cho 15
Giup minh voi nhe dang can gap lam...........