Các câu hỏi tương tự
A=(1-1/3)x(1-1/6)x(1-1/10)x(1-1/15)x....x(1-1/4950)
B=[1-1/3]x[1-1/6]x[1-1/10]x[1-1/15]x...x[1-1/210]
Tìm x biết:a) 10/x = -15/9; b) x/9 = -11/5 : 0,6; c) -7/8 - 2x = -3/4; d) (x-1/2):1/3+5/7=9và5/7; e)1/15.x+4/5.x=5và1/5; f) -1/3<x/6<1/2(x thuộc Z); h) 3/5+2/5:x=-1/4;i) 4 và 3/4x - 3 và 1/2=5/4; k)9/4.(1/3x-1/2)=4và1/2
a) x - = b) . c)
) : e) f) .
x
x
d x x x x x
3 13 2 4 3 7 2
1 3
5 25 3 5 10 15 3
4 5 1 7 2 11 1 1
3 15 1 3
5 7 6 5 5 2 3 2
12 tháng 3 2022 lúc 14:30
Tìm x biết:a,dfrac{4}{5}+xdfrac{2}{3}b,dfrac{-5}{6}-xdfrac{2}{3}c,dfrac{1}{2}x+dfrac{3}{4}dfrac{-3}{10}d,dfrac{x}{3}-dfrac{1}{2}dfrac{1}{5}e,dfrac{x+3}{15}dfrac{1}{3}h,x+30%x-1,3k,3dfrac{1}{3}x+16dfrac{1}{4}13,25m,dfrac{x-6}{2}dfrac{50}{x-6}n,x-13,424,5-6,7.5,2p,15,7x+3,6x-96,5q,2,5x-11,6-59,1
Đọc tiếp
Tìm x biết:
\(a,\dfrac{4}{5}+x=\dfrac{2}{3}\)
\(b,\dfrac{-5}{6}-x=\dfrac{2}{3}\)
\(c,\dfrac{1}{2}x+\dfrac{3}{4}=\dfrac{-3}{10}\)
\(d,\dfrac{x}{3}-\dfrac{1}{2}=\dfrac{1}{5}\)
\(e,\dfrac{x+3}{15}=\dfrac{1}{3}\)
\(h,x+30\%x=-1,3\)
\(k,3\dfrac{1}{3}x+16\dfrac{1}{4}=13,25\)
\(m,\dfrac{x-6}{2}=\dfrac{50}{x-6}\)
\(n,x-13,4=24,5-6,7.5,2\)
\(p,15,7x+3,6x=-96,5\)
\(q,2,5x-11,6=-59,1\)
Bài 1 tìm x
a) 3/4: x +1/2:1/4=4
b) x +1+1/3+1/9+1/27+1/81 =2
c) x : 25/8-3/4=9/4
d)(15/2.83/10+9/4.83/10+11/2.83/10):x=1126
e)1/1.2+1/2.3+1/3.4+1/4.5+.....+1/(x-1).x=15/16
Tìm x biết : X x (1+1/3+1/6+1/10+1/15+...+1/190)=2013x19/10
Bài 3. Tìm x biết
a, (10/3: x).(-5/4)=-5/3-5/3
b, (-6/5+ x):(-18/5)=-7/4+1/4:1/8
c, -22/15. x +1/3=-3/5+1/5
d,(0,25-30% x).1/3-1/4=-31/6
e, (0,5 x-3/7):1/2=8/7
Thank you very much !
Tìm x:
a) x - 25% x = 1/2 ( một phần hai)
b) 8x = 7,8x + 25
c) ( x + 1/4 - 1/3) : (2 + 1/6 - 1/4) = 7/46
d) 13/15 - (13/21 + x) . 7/12 = 7/10
e) 2 / 1/2.x - 1/3 ? - 3/2 = 1/4
f) 3 ( 3x - 1/2)3 + 1/9 = 0