tìm x
x-3/11=9/22
tìm x
x-3/11=9/12
\(x-\dfrac{3}{11}=\dfrac{9}{12}\Rightarrow x=\dfrac{9}{12}+\dfrac{3}{11}=\dfrac{45}{44}\)
9/11 - x :2/3 = 5/22 tìm x
9 / 11 - x : 2 / 3 = 5 / 22
>= 9 / 11 - ( x : 2 / 3 ) = 5 / 22
>= 9 / 11 - 5 / 22 = x : 2 / 3
>= 13 / 22 = x : 2 / 3
>= x = 39 / 44
x : 2/3 = 9/11 - 5/22
x : 2/3 = 13/22
x = 13/22 * 2/3
x = 13/33
x :2/3=9/11-5/22 x :2/3=13/22 x =13/22 x 2/3 x =13/33
Tìm biết chia hết cho và
Trả lời: = ............................................
TÌM
-12 / 25 . ( 3 / 4 + 6 / -11 5 / 6 ) = 0
=> cái vế trong ngoặc là 0.
rồi bạn làm tiếp nha
\(\dfrac{-12}{25}.\left(\dfrac{3}{4}-x+\dfrac{6}{-11}-\dfrac{5}{6}\right)=0\)
\(\dfrac{3}{4}-x+\dfrac{-6}{11}-\dfrac{5}{6}=0\)
\(\dfrac{3}{4}-x+\dfrac{-91}{66}=0\)
\(\dfrac{3}{4}-x=0-\left(\dfrac{-91}{66}\right)\)
\(\dfrac{3}{4}-x=\dfrac{91}{66}\)
\(x=\dfrac{-83}{132}\)
a: Ta có: \(-\dfrac{12}{25}\cdot\left(\dfrac{3}{4}-x+\dfrac{6}{-11}-\dfrac{5}{6}\right)=0\)
\(\Leftrightarrow x+\dfrac{83}{132}=0\)
hay \(x=-\dfrac{83}{132}\)
tìm x
a)2x+3/10=11/6.6/11
b)9/4:(x-22/3)=-1,5
c)|x-3| = 6
2) Tìm giá trị bé nhất của mỗi biểu thức: a)
2
21 xx
b)
2
2 xx
c)
22 62 x y x y
Tìm X:
a,X-20/11x13 - 20/13x15 - 20/15x17-...-20/53x55 = 3/11
b,1/21 + 1/28 + 1/36 + .....+ 2/Xx(X+1) = 2/9
{(-5/7)-7/9+9/11-11/13}x(3-3/4)
(10/21+14/27-6/11+22/39):(2-2/3)
16/3 : 22/9 - 24/121 x 11/9 + 8/11 x1/3 tính nhanh