Các câu hỏi tương tự
54,01.....54va1/10
4va1/25...4,25
3,41...3va1/4
9va4/5...9,8
3va1/2 chia 2va1/4
tinh :3va1/11*27/46*1va6/17*2va4/9
chuyển hỗn số thành stp
1va2/5
3va1/5
72va1/4
230va3/4
b)0,5xx+2/3xx+2/3=7/12
c)3/5-2/15:x=1/2
d)50%xx-2va1/2=2va5/6
e)(2va4/5xx-50):2/3-51
f)(4va1/2-2xx)x3va2/3=11/15
g)02/5-(2va1/2xx-3):15=1/10
h)(3/4+x)x1/1+5va1/6-1va1/6
b)0,5xx+2/3xx+2/3=7/12
c)3/5-2/15:x=1/2
d)50%xx-2va1/2=2va5/6
e)(2va4/5xx-50):2/3-51
f)(4va1/2-2xx)x3va2/3=11/15
g)02/5-(2va1/2xx-3):15=1/10
h)(3/4+x)x1/1+5va1/6-1va1/6
3. tim x
a)460 + 84 x 4=x+200/4
b)(x +1) + (x + 2) + (x +3) + (x + 4) + .............. + (x + 37)=999
tim x
X :0,1- X :4 - X x 3/4 = 2,25
2/3 + 3/4 < x < 4/3 + 4/5
Tim x