x/3=..
x=...*3
tinh may tinh la ra thoi ma
don gian
duyet nha
x/3=..
x=...*3
tinh may tinh la ra thoi ma
don gian
duyet nha
Tìm x biết :
1/-5 +(-3+12-x)=7-(2-8)
2/8-(7-x+3)=-|-7+2|-(-9)
3/-(12-5+9-x)=3-|5-8+2|
4/-(-3-x+8)-(-3+5)=|5-8|
5/-|5-8|-(4-x+5)=4+|3-9|
Câu a7/8 chia đóng ngoặc 2/9 - 18 đóng ngoặc + 7/8 x 1/36 - 5/12 câu b 3/7 x 4/9 + 3/7 x 5/9 chia 6/12 câu c 5^8 x 16/31 - 5^8 x 47/31 + 1/3 câu d 7/2 x 3/8 + 7/2 x 5/8 chia 4/15
\(\dfrac{3}{2}X-0,2=\dfrac{3}{5}\)
\(\dfrac{1}{3}+x=\dfrac{3}{4}\)
\(1\dfrac{1}{2}x-\dfrac{2}{5}=\dfrac{1}{4}\)
\(\dfrac{11}{8}-\dfrac{3}{8}.x=\dfrac{1}{8}\)
giúp với
Câu 13 : (-1/4 + 5/8 ) + -3/5
Câu 14 : M = 5/9 x 7/13 + 5/9 x 9/13 - 5/9 x 3/13
câu 15 : E = (-3/4 + 2/5) : 3/7 + (3/5 + -1/4) : 3/7
Câu 16 : H = 7/8 : (2/9 - 1/8) + 7/8 : (1/36 - 5/12)
1.Tim x biết x - 252525 * 3/2 + 3/5 - 3/7 / 3/2 + 1/5 - 1/7 =7/8
2. 9/8 - 9/8 * 2/5 + 2/6 - 2/7 / 3/5 + 3/6 - 3/7 - X = 1
tìm x biết:
1) - (-3 -x +8) - (3+5) = |5--8|
2) -|5-8| - (4-x+5) = 4 + |3-9|
3) (-10+5) - (4-x) = 12 -(5-6)
1) 2( 3x + 5) - 6=0
2) 5x + 3 ( 4+ 2x ) = 25
3) 3 ( 4x + 1) +2 (x - 1) =105
4) 30- [ 2( x - 3 ) - 2 ] = 14
5) 3 ( x - 8 ) (4x + 5 ) - 8 ( x - 8 ) = 0
6) 4x = 8
5/8-(x+3/4)=7/6
(x-3/4)+3/2+11/3
(x+1/2)-5/8=2
11/2-(4/5+x)=2-1/3
5/8-(x+3/4)=7/6
(x-3/4)+3/2+11/3
(x+1/2)-5/8=2
11/2-(4/5+x)=2-1/3
tìm x
a) -1/8 = 3/x b) x/3 = 3/x c)3/4 . x = 1 và 1/2
d) x - 3/10 = 7/15 : 3/5 e) -4/7 - x = -8/3 . 3/7
f) 4/7 . x - 2/3 = 1/5 g) 2/3 + 1/3 : 3 x = 1/5
h) 2/9 - 7/8 x=1/3 j) (2 và 4/5 x - 50) : 2/3 = 51