1.Tìm x
a) 9/2 - x = 3/7 b) x : 5/7 = 7/5 c) x x 3/8 = 11/3
tìm x
9/7 x x + 5/7 x x = 2/3
Tìm x
A. 4/5-x=5/7
B. x-3/7=2/3-2/7
C. 7/9-x=1/4+2/9
tìm X biết :
a.2/3 : 5/7 : x/9 = 2/7 : 3/5 :10/9
b.3/5 : 7/x : 3/4 = 12/105
c.x : 1/2 = 2/3 x 4/5 x 3/4 x 15/8
Tìm x :
3/7 x x = 1/3
x : 6/8 = 2/5
x - 2/3 = 5/6
x - 2/5 - 4/35 = 1/7
tìm x:
x :7/11 = 22
11/2 - 3/2 x X = 7/4
Tìm x là số tự nhiên :
2/7 x X/3 x 4/5 = 2/3 x 4/5 x 6/7
Tìm X:
a).X:1/2=3/4
b).X-1/2=4/5
c).X+2/3=7/5
d).X x 5/4=2/7
e).7/3-x=4/7
f).5/9:x=4/13
g).1/2+x=3/4
h).1/2-x=3/4
i).2/3x X =7/5
k).X:5/4=2/7
l).7/3-x=4/7x14/8
2NG ĐẦU ĐÙNG THÌ MK SẼ TICK NKA
Tìm x
3/4:6/x:8/7=3/8:4/5:6/7
2/5:x/3:7/4=24/315
1.tìm x a)x : 2/5 = 3/7 b) 6/5 - x = 7/8