Các câu hỏi tương tự
Tim x,y la so nguyen
a) 2x-3y+5= xy
b) x mu 2 +2xy+2x+4y
B2 Tim x,y la so nguyen to
x mu 2 -2y mu 2 =1
B3 Tim so tu nhienx,y
7 .(x-2004) mu 2 = 23- y mu 2
tim cac gia tri cua x de bieu thuc sau nhan gia tri am
a)x mu 2 + 5x b)x mu 2 - 5/2x c)3(2x+3)(3x-5) d)x - 2/x-6 e) x mu 2 -1/x mu 2
a) \3x=9\=\4-x\+0
b)(x-5)16 =(x-5)12
c)(2x-5)(5-x mu 2)(x mu 2 +1=0
d)5 mu x + 5 mu x+2 =650
9 * 3 mu 3 * 1 phan 81 * 3 mu 2 4 * 2 mu 5 . { 2 mu 3 * 1 phan 16 )cac ban tra loi giup minh nhe ! nho cho ca cach lam thi minh moi hieu dc thank nhieu nha
Xem chi tiết
Minh can gap giup minh voi:
a) \3x=9\=\4-x\+0
b)(x-5)16 =(x-5)12
c)(2x-5)(5-x mu 2)(x mu 2 +1=0
d)5 mu x + 5 mu x+2 =650
Tìm x,y:
3/5x bằng 2/3y và x mu 2 - y mu 2 bằng 38
[1/2x mu 2(2x-1) mu m-1/2 x mu(m +2]:1/2x mu 2 =0
tim x
tinh P = GTTĐ cua 2x-1 mu 2015 +(3y-2) mu 2016
cac bn giup mk nka
rut gon a=4 mu 5. 9 mu 4 - 2 . 6mu 9/2 mu 10. 3 mu 8+ 6mu 8 .20