Các câu hỏi tương tự
a) (2x-100)/900 +(2x-200)/800 > (2x-500)/500 +(2x-900)/100
Giai bất phương trình
Giai bat phuong trinh sau (x-1)(2x+3)<x(2x+1)-1
Giup em voi a
Giai cac bat phuong trinh sau va bieu dien tap nghiem cua bat phuong trinh tren truc so:
a. 2(3x-1)-2x<2x-1
b. 4x-8≥3(3x-2)+4-2x
c. 3(x-2)(x+2)<3x²+x
d. (x+4)(5x-1)>5x²+16x+2
3(1-2x)<= 4(5-3x/2)
giai bat phuong trinh
Giai bat phuong trinh :
2x( 8x - 1)2 (4x -1)=9
x(2x - 1) - 8 < 5 - 2x(3 - x)
Hay giai bat phuong trinh sau:
Giai bat phuong trinh sau
\(\frac{2x+1}{x-3}\)>1
giai phuong trinh
1, -3x \(\ge\)\(\frac{1}{5}\)
giai bat phuong trinh
a,\(|2-x|+5=0\)
b, \(|3-2x|+x=0\)
c,\(2x-|x+4|=7\)
Giai phuong trinh (2x + 3)(x+2 )^2(2x+5) = 3