\(x\) + \(\dfrac{9}{10}\) = \(\dfrac{16}{10}\)
\(x\) = \(\dfrac{16}{10}\) - \(\dfrac{9}{10}\)
\(x\) = \(\dfrac{7}{10}\)
\(x\) =0,7
\(x\) + \(\dfrac{9}{10}\) = \(\dfrac{16}{10}\)
\(x\) = \(\dfrac{16}{10}\) - \(\dfrac{9}{10}\)
\(x\) = \(\dfrac{7}{10}\)
\(x\) =0,7
Tìm :
Tìm x:
(x+5)+(x+10)+(x+15)+...+(x+100)=1150
1 tìm x
a)1,5-3,6+x=20,24
b)15,4.x+4,4.x=55
C) 11,3:X-4,3:x=0,25.8
2phuts nữa
Tìm A
A= (1995 : 0,25 + 1996 :4 ) x 2010 x 2011 x ( 3,75 - 2,5 x 1,5 )
Tìm :
tìm x
53,2:( X -3,5) + 45,8= 99
Tìm x/y biết; a) x/y- 3/8 =1và 1/2. B) 4/9; x/y = 1và 2/3.
tìm x
x + 113 chia hết cho7
Câu 1:Tính
a.7/13 x 7/15 - 5/12 x 21/39 + 49/91 x 8/15
b. (12/199 + 23/200 - 34/201) x (1/2 - 1/3 - 1/6)
Câu 2 :Tìm x bt:
1. 0,5 + ( X - 15/2 ) : 1/2 = 9/2
2. 2012 x X - 2010 x X = 2014
3. ( X+ 1) + ( X + 2) + ( X + 3 ) + .....+ ( X + 100 ) =5750
Ai nhanh mk tik.Thanks nhìu