x=-2^(3/2)/căn bậc hai(5), x=2^(3/2)/căn bậc hai(5)
Đúng 0
Bình luận (0)
Các câu hỏi tương tự
\(\frac{1}{3}x+\frac{3}{4}x-75\%=-5\frac{1}{4}\)
\(\frac{1}{3}X+\frac{3}{4}X-75\%=-5\frac{1}{4}\)
\(60\%.X+\frac{2}{3}X=-76\)
bài 2 tìm xa,frac{-2}{3}.x+frac{1}{5}frac{3}{10}b,left|xright|-frac{3}{4}frac{5}{3}c,frac{2}{3}.x-frac{1}{2}frac{1}{10}d,frac{3}{5}+frac{4}{9}:xfrac{2}{3}e,left|x+75%right|2frac{1}{5}i,left(x+frac{1}{2}right).left(frac{2}{3}-2.xright)0k,frac{4}{7}.x-frac{2}{3}frac{1}{5}l,frac{2}{3}.x-frac{3}{2}.xfrac{5}{12}m,left|2.x-frac{1}{3}right|+frac{5}{6}1n,frac{1}{3}-frac{7}{8}.xfrac{1}{3}11,frac{x+2}{5}frac{7}{12}-1frac{1}{4}12,left(2frac{4}{5}.x-50right):frac{2}{3}5113,frac{2}{5}+frac{3}{5}.left(3.x-3,7...
Đọc tiếp
bài 2 tìm x
a,\(\frac{-2}{3}.x+\frac{1}{5}=\frac{3}{10}\)
b,\(\left|x\right|-\frac{3}{4}=\frac{5}{3}\)
c,\(\frac{2}{3}.x-\frac{1}{2}=\frac{1}{10}\)
d,\(\frac{3}{5}+\frac{4}{9}:x=\frac{2}{3}\)
e,\(\left|x+75\%\right|=2\frac{1}{5}\)
i,\(\left(x+\frac{1}{2}\right).\left(\frac{2}{3}-2.x\right)=0\)
k,\(\frac{4}{7}.x-\frac{2}{3}=\frac{1}{5}\)
l,\(\frac{2}{3}.x-\frac{3}{2}.x=\frac{5}{12}\)
m,\(\left|2.x-\frac{1}{3}\right|+\frac{5}{6}=1\)
n,\(\frac{1}{3}-\frac{7}{8}.x=\frac{1}{3}\)
11,\(\frac{x+2}{5}=\frac{7}{12}-1\frac{1}{4}\)
12,\(\left(2\frac{4}{5}.x-50\right):\frac{2}{3}=51\)
13,\(\frac{2}{5}+\frac{3}{5}.\left(3.x-3,7\right)=-\frac{53}{10}\)
14,\(\frac{7}{9}:\left(2+\frac{3}{4}.x\right)+\frac{5}{9}=\frac{23}{27}\)
A: \(75\%.x-\frac{3}{2}:\frac{5}{4}=3\frac{1}{2}+25\%\)
B:\(\left(x-\frac{3}{4}\right).50\%-\frac{2}{7}=1+\frac{3}{4}\)
C: \(\left(\frac{5}{6}-2\frac{1}{2}\right):x=\frac{2}{5}-\frac{1}{3}\)
D: \(\left(\frac{1}{4}-x\right)-\frac{1}{2}=2\frac{1}{2}+1\)
Bài 1: Tìm x biết:
a) |x-3|-x=1
b) 4x+1+ 4x+2+4x+3=5376
c)\(\frac{\left(1,16-x\right).5,25}{\left(10\frac{5}{9}-7\frac{1}{4}\right).2\frac{2}{11}}\)=75%
1) 75% . x - x =\(-1\frac{3}{4}\) 2)( 2,8x - 32) :\(\frac{2}{3}\)= -90
3) (3,5 - 22) . \(1\frac{1}{3}\)=\(-7\frac{1}{3}\) 4) \(1-\left(5.\frac{3}{8}+x-1\frac{5}{24}\right).10\frac{2}{3}=0\)
1 tìm x biết ;a, 0-|x + 1| 5 b, 2 - | frac{3}{4}- x | frac{7}{12}c, 2 | frac{1}{2}x - frac{1}{3}| - frac{3}{2} frac{1}{4}d, | x - frac{1}{3}| frac{5}{6}e, frac{3}{4}- 2 | 2x - frac{2}{3}| 2f, frac{2x-1}{2} frac{5+3x}{3}
Đọc tiếp
1 tìm x biết ;
a, 0-|x + 1| = 5
b, 2 - | \(\frac{3}{4}\)- x | = \(\frac{7}{12}\)
c, 2 | \(\frac{1}{2}\)x - \(\frac{1}{3}\)| - \(\frac{3}{2}\)= \(\frac{1}{4}\)
d, | x - \(\frac{1}{3}\)| = \(\frac{5}{6}\)
e, \(\frac{3}{4}\)- 2 | 2x - \(\frac{2}{3}\)| = 2
f, \(\frac{2x-1}{2}\)= \(\frac{5+3x}{3}\)
1 tìm x biết ;a, 0-|x + 1| 5 b, 2 - | frac{3}{4}- x | frac{7}{12}c, 2 | frac{1}{2}x - frac{1}{3}| - frac{3}{2} frac{1}{4}d, | x - frac{1}{3}| frac{5}{6}e, frac{3}{4}- 2 | 2x - frac{2}{3}| 2f, frac{2x-1}{2} frac{5+3x}{3}
Đọc tiếp
1 tìm x biết ;
a, 0-|x + 1| = 5
b, 2 - | \(\frac{3}{4}\)- x | = \(\frac{7}{12}\)
c, 2 | \(\frac{1}{2}\)x - \(\frac{1}{3}\)| - \(\frac{3}{2}\)= \(\frac{1}{4}\)
d, | x - \(\frac{1}{3}\)| = \(\frac{5}{6}\)
e, \(\frac{3}{4}\)- 2 | 2x - \(\frac{2}{3}\)| = 2
f, \(\frac{2x-1}{2}\)= \(\frac{5+3x}{3}\)
Bài 1:Thực hiện phép tínha,75%-1frac{1}{2}+0,5:frac{5}{12}-left(frac{-1}{2}right)^2 b,left(frac{5}{7}.0,6-5:3frac{1}{2}right).left(40%-1,4right).left(-2right)^3Bài 2: Tính nhanh left(frac{-4}{5}+frac{4}{3}right)+left(frac{-5}{4}+frac{14}{5}right)-frac{7}{3}Bài 3:Tìm x biếta,frac{-2}{3}-frac{1}{3}.left(2x-5right)frac{3}{2} b,frac{2}{5}.x+frac{1}{2}frac{-3}{4} frac{1}{3}.x-8frac{1}{2} x-frac{1}{4}frac{5}{8}.frac{2}{3}Bài 4: Tìm...
Đọc tiếp
Bài 1:Thực hiện phép tính
\(a,75\%-1\frac{1}{2}+0,5:\frac{5}{12}-\left(\frac{-1}{2}\right)^2\) \(b,\left(\frac{5}{7}.0,6-5:3\frac{1}{2}\right).\left(40\%-1,4\right).\left(-2\right)^3\)
Bài 2: Tính nhanh
\(\left(\frac{-4}{5}+\frac{4}{3}\right)+\left(\frac{-5}{4}+\frac{14}{5}\right)-\frac{7}{3}\)
Bài 3:Tìm x biết
\(a,\frac{-2}{3}-\frac{1}{3}.\left(2x-5\right)=\frac{3}{2}\) \(b,\frac{2}{5}.x+\frac{1}{2}=\frac{-3}{4}\) \(\frac{1}{3}.x-8=\frac{1}{2}\) \(x-\frac{1}{4}=\frac{5}{8}.\frac{2}{3}\)
Bài 4: Tìm x biết
\(a,\left(\frac{3}{4}.x+2\frac{1}{2}\right).\frac{-2}{3}=\frac{1}{8}\) \(b,\frac{1}{3}.x-0,5=0,75\)
Bài 5: Tìm x biết
\(a,\frac{2}{5}+\frac{3}{5}.\left(3x-3,7\right)=-\frac{53}{10}\) \(b,5,2.x+7\frac{2}{5}=6\frac{3}{4}\) \(2,4:\left(\frac{-1}{2}-x\right)=1\frac{3}{5}\)
Bài 6:Tìm số tự nhiên x,biết: \(\left(x-5\right).\frac{30}{100}=\frac{20.x}{100}+5\)
Mik đang cần gấp giúp mik nha!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!