Các câu hỏi tương tự
1) x +1/2 =5/3. 2) 3/5 - x =1/3. 3) 3/4 + x =7/2
4) x - 4/3 =7/9. 5)x - 5/6 = 7/3. 6)x- 1/5 =9/10
1. | 4-2x | . 1/3 = 1/3
2. (-3)² : | x+(-1) | = (-3)
3. | 3/2 -x | + (-4/5) = -14/5
4. (-4/3) - | 2x + (-1) | = -7/3
5. -9 . | 36 - x/2 | = (-54)
6. 0,75 - | (-x) + 1/3 | = 0,25
7. (-6/5) + | x-9 |= (-6/5)
8. (-4) . | 3x - 1/5 | = 12
Tìm x
2.(x-5)-3(x+6)+=4(x-7)3(x-1)-2(x+5)=2(x-3)5(1-x)-6(1+x)=7(3-x)2x+5-3(3x+7)=6(1-x)+8x-2+3(x-4)=5(x-6)+7x+2+3(1-x)-5(2-x)=6(1-x)+(3-x)
Bài 1: Tìm x :A) 3/4.(x-2) - 1/2.(6-2.x)= 1/6.x + 5
B) -1/2.(3.x + 5) - 2/3.(9-6.x) = 3/5.(x-10) - 3
C) (1/4.x - 1,5) + (5/6.x - 3) - (5/8.x -0,5) = -4,5
A= ( 6 : 3/5 - 1 1/6 x 6/7 ) : ( 4 1/5 x 10/11 + 5 2/11 )
B= ( 1 - 1/2 ) x ( 1- 1/4 ) x ... x ( 1 - 1/2003 ) x ( 1 - 1/2004 )
C= 5 9/10 : 3/2 - ( 2 1/3 x 4 1/2 - 2 x 2 1/3 ) : 7/4
Tìm x biết:
a)x.1/2-3/4=5/6
b)x:1/2-3/4=5/6
c)x.3/4+x.1/4=7/8
d)x.3/4-x.1/4=6/5
jup voi.Hik!
3/7 x 1/2 + 0,5 x 4/7 + 0,125 x 16 + 84 x 1/8
0,75 x 6 + 49 x 3/4 + 3/4 x 24 x 0,75
1/3 x 4/5 + 2/3 + 1/3 +6/5
Tính
18/45 - 4/12 - 6/9 - 21/35
4/3 + 3/5 + 7/3 + 2/5 + 1/3
7/25 x 39/14 x 50/78
1/3 x 4/5 x 1/3 x 6/5
6/7 x 8/13 + 6/7 x 9/13 - 3/13 x 6/7
a,x - 1/2 - (-1/6)
b,x + 5/6 = 3/8
c,2/3 . x -1/2 = 5/6
d, x/7 = 6/-21
e,(7/3 x -0,6) : 3^2/5 = 1
f,x/45 = 5/6 + -29/30
g,(4,5 - 2x) . (-1^4/7) =11/14
h,-2/7 + 4/7x=5/7
1) (x + 1/2).(2/3 - 2x) = 0 2) 2/3x + 1/2x = 5/2 : 3 và 3/4 3) (2x - 3)(6 - 2x)= 0 4) -5(x + 1/5) - 1/2(x - 2/3) = 3/2x - 5/6