Các câu hỏi tương tự
Tìm số nguyên X biết
a |18-2nhan | -X + 5 || = 12
b 12-2nhan (-X+3)2= -38
c -20+3nhan(2X+1)3= -101
tim x biet
2nhan[x-3]-x=4
tim x biet: 4nhan[x-3]-x=3
chung minh 3/1nhan 4+ 3/4nhan 7+...+3/91nhan 94<1
chung tỏ 3/1nhan 4+3/4nhan 7+...+3/91nhan 94
Tìm x:
a, -1/3. (15x-9)+ 2/7. (-x-34)= 1- 3/4. (-16x+4)
b, -1/3. (x-5)+ 1/2. (2x-1/3) = -4.(x+1/2) -7
c, 3.(-2x+7) -6. (1/2x) =1.(x-3)
tìm x biết:
(3x-1) [- 1/2x+5]=0
1/4+1/3:(2x-1)=-5
[2x+3/5]2 - 9/25=0
-5(x+1/5)-1/2(x-2/3)=3/2x - 5 /6
[x+1/2]x [2/3-2x]=0
17/2-|2x-3/4|=-7/4
2/3x-1/2x =5/12
(x+1/5)2+17/25=26/25
[x.44/7+3/7].11/5-3/7=-2
3[3x-1/2]+1/9=0
14 chia het cho[ 2nhan x cong 3
chung minh 3/1nhan4 +3/4nhan 7+...+3/91 nhan94<1