0,(3) = 1/3
0,0(3) = 1/30
0,(384615) = 5/13
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Tim x biet,\(\frac{0,\left(3\right)+0,\left(384615\right)+\frac{3}{13}\chi}{0,0(3)+13}=\frac{50}{85}\)
Tìm x biết:\(\frac{0,\left(3\right)+0,\left(384615\right)+\frac{3}{13}.x}{0,0\left(3\right)+13=\frac{50}{85}}\)
\(\dfrac{0,\left(3\right)+0,\left(384615\right)+\dfrac{3}{13}x}{0.0\left(3\right)+13}\dfrac{50}{85}\) tìm x
\(\frac{0.\left(3\right)+0.\left(384615\right)+\frac{3}{13}x}{0.0\left(3\right)+13}\)
Giups mik nha
thuc hien phep tinh
\(\left[6-3.\left(-\frac{1}{3}^2\right)+\sqrt{0,25}\right]:\sqrt{0,\left(9\right)}\)
\(\left(\frac{1}{2}\right)^2.\sqrt{16}-3^2.\sqrt{0,01}+\left(2^2\right)^2-\left(0,0\left(6\right)\right)+\frac{13}{30}\)
\(\frac{19}{13}-\left(\frac{5}{42}-x\right)=-\left(\frac{15}{28}-\frac{19}{13}\right)\)
b)\(\left[\frac{1}{3}x^3\left(3x-1\right)^m-\frac{1}{3}x^{m+3}\right]:\frac{1}{3}x^3=0\left(m\in N\right)\)
Tìm x nha
a)\(\left(\frac{5}{7}x-\frac{1}{4}\right)\left(\frac{-3}{4}x+\frac{1}{2}\right)=0\)
b)\(\left(\frac{4}{5}+x\right).\left(x-\frac{8}{13}\right)=0\)
c)\(\left(2x-\frac{1}{2}\right).\left(x-3\right)=0\)
d)\(x+3\frac{1}{2}x+x=\frac{1}{2}\)
Mình cần gấp bài này !!!
1/Tìm x, biết :
a/ \(\frac{7}{\left(x+3\right)\left(x+10\right)}+\frac{11}{\left(x+10\right)\left(x+21\right)}+\frac{13}{\left(x+21\right)\left(x+34\right)}+\frac{x}{\left(x+3\right)\left(x+34\right)}\)
b/ \(\frac{3}{\left(x-4\right)\left(x-7\right)}+\frac{6}{\left(x-7\right)\left(x-13\right)}+\frac{15}{\left(x-13\right)\left(x-28\right)}-\frac{1}{x-28}=\frac{-1}{20}\)
tìm x biết:
A) \(\frac{7}{\left(x+3\right)\left(x+10\right)}\)\(+\frac{11}{\left(x+10\right)\left(x+21\right)}+\frac{13}{\left(x+21\right)\left(x+34\right)}=\frac{x}{\left(x+3\right)\left(x+34\right)}\)
B)\(\frac{3}{\left(x-4\right)\left(x-7\right)}+\frac{6}{\left(x-7\right)\left(x-13\right)}+\frac{15}{\left(x-13\right)\left(x-28\right)}-\frac{1}{x-28}=-\frac{5}{2}\)