\((x+\frac{1}{4})^2+\frac{11}{25}=\frac{18}{25}\)
TÌM X
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Tìm x:
\(\frac{\left(13\frac{2}{9}-15\frac{2}{3}\right)\cdot\left(30^2-5^4\right)}{\left(18\frac{3}{7}-17\frac{1}{4}\right)\cdot\left(25-12\cdot5^2\right)}\cdot x=\frac{\frac{2}{11}+\frac{3}{13}+\frac{4}{15}+\frac{5}{17}}{4\frac{1}{11}+\frac{5}{13}+\frac{9}{15}+\frac{13}{17}}\)
Tìm x
a)\(5\frac{8}{17}:x+\left(-\frac{4}{17}\right):x+3\frac{1}{7}:17\frac{1}{3}=\frac{4}{11}\)
b)\(\left(x+\frac{1}{5}\right)^2+\frac{17}{25}=\frac{26}{25}\)
Tính bằng cách thuận tiện
a) \(\frac{5}{11}x\frac{7}{25}+\frac{15}{11}x\frac{1}{5}\)
b) \(\frac{3}{7}x\frac{25}{19}-\frac{1}{7}x\frac{18}{19}\)
a, \(\frac{5}{11}\times\frac{7}{25}+\frac{15}{11}\times\frac{1}{5}\)
\(=\frac{5}{11}\times\frac{7}{25}+\frac{5}{11}\times\frac{3}{5}\)
\(=\frac{5}{11}\times\left(\frac{7}{25}+\frac{3}{5}\right)\)
\(=\frac{5}{11}\times\frac{22}{25}\)
\(=\frac{2}{5}\)
b, \(\frac{3}{7}\times\frac{25}{19}-\frac{1}{7}\times\frac{18}{19}\)
\(=\frac{1}{7}\times\frac{75}{19}-\frac{1}{7}\times\frac{18}{19}\)
\(=\frac{1}{7}\times\left(\frac{75}{19}-\frac{18}{19}\right)\)
\(=\frac{1}{7}\times3\)
\(=\frac{3}{7}\)
1) \(\frac{24}{-12}=\frac{x}{5}=\frac{-y}{3}\)Tìm x và y
2) \(\frac{1}{3}+\frac{-2}{5}+\frac{1}{6}+\frac{-5}{25}\le\frac{x}{10}< \frac{-3}{4}+\frac{4}{14}+\frac{-2}{8}+\frac{-3}{5}+\frac{5}{7}\)Tìm x
3) \(\frac{8.x+18}{2.x+6}\)Tìm x
giúp mình với
bài 1:tìm x biết
\(\left(x-\frac{2}{3}\right):\frac{-3}{7}=\frac{-9}{11}\)
\(x:2+x:\frac{5}{2}+x:\frac{1}{3}=\frac{-18}{25}\)
\(x-\left(\frac{3^2}{8.11}+\frac{3^2}{11.14}+......+\frac{3^2}{1997.2000}\right)=\frac{-1}{2}\)
Tìm x, biết : a) ( x + frac{1}{4})2 + frac{11}{25} frac{18}{25} b) frac{27}{23}+ frac{-4}{23}+ frac{1}{2}+frac{-4}{8} x frac{7}{3}+ frac{7}{41}+frac{13}{41}+frac{28}{41}( x inZ )
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Tìm x, biết :
a) ( x + \(\frac{1}{4}\))2 + \(\frac{11}{25}\)= \(\frac{18}{25}\) b) \(\frac{27}{23}\)+ \(\frac{-4}{23}\)+ \(\frac{1}{2}\)+\(\frac{-4}{8}\)< x < \(\frac{7}{3}\)+ \(\frac{7}{41}+\frac{13}{41}+\frac{28}{41}\)( x \(\in\)Z )
a) \(\left(x+\frac{1}{4}\right)^2+\frac{11}{25}=\frac{18}{25}\)
\(\Rightarrow\left(x+\frac{1}{4}\right)^2=\frac{7}{25}\)
\(\Rightarrow\) Không có x
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câu 1:thực hiện phép tính (tính nhanh nếu có thể): a, frac{-7}{25}.frac{11}{13}+frac{-7}{25}.frac{2}{13}-frac{18}{25}b,frac{5}{7}.frac{1}{3}-frac{5}{7}.frac{1}{4}-frac{5}{7}.frac{1}{12}c,5frac{2}{5}.4frac{2}{7}+5frac{5}{7}.5frac{2}{5}d,75%-1frac{1}{2}+0,5:frac{5}{12}-left(frac{-1}{2}right)^2câu 2:tìm x biết:a, x+frac{1}{6}frac{-3}{8}b, frac{1}{2}x+frac{1}{8}xfrac{3}{4}c,2-left|frac{3}{4}-xright|frac{7}{12}d,left(2x-4,5right):frac{3}{4}-frac{1}{3}1GIÚP MIK VS MAI MIK PHẢI NỘP BÀI RỒI!
Đọc tiếp
câu 1:thực hiện phép tính (tính nhanh nếu có thể):
a, \(\frac{-7}{25}.\frac{11}{13}+\frac{-7}{25}.\frac{2}{13}-\frac{18}{25}\)
b,\(\frac{5}{7}.\frac{1}{3}-\frac{5}{7}.\frac{1}{4}-\frac{5}{7}.\frac{1}{12}\)
c,\(5\frac{2}{5}.4\frac{2}{7}+5\frac{5}{7}.5\frac{2}{5}\)
d,\(75\%-1\frac{1}{2}+0,5:\frac{5}{12}-\left(\frac{-1}{2}\right)^2\)
câu 2:tìm x biết:
a, \(x+\frac{1}{6}=\frac{-3}{8}\)
b, \(\frac{1}{2}x+\frac{1}{8}x=\frac{3}{4}\)
c,\(2-\left|\frac{3}{4}-x\right|=\frac{7}{12}\)
d,\(\left(2x-4,5\right):\frac{3}{4}-\frac{1}{3}=1\)
GIÚP MIK VS MAI MIK PHẢI NỘP BÀI RỒI!
CACS BN GIÚP MIK TRẢ LỜI TRONG TỐI NAY ĐC K
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Xem thêm câu trả lời
Tìm x:
\(5\frac{8}{17}:x+\left(-\frac{4}{17}\right):x+3\frac{1}{7}:17\frac{1}{3}=\frac{4}{11}\)
\(\left(x+\frac{1}{5}\right)^2+\frac{17}{25}=\frac{26}{25}\)
\(-1\frac{5}{27}-\left(3x-\frac{7}{9}\right)^3=\frac{-24}{27}\)
Tìm x
a)\(5\frac{8}{17}:x+\left(-\frac{4}{7}\right)+3\frac{1}{7}:17\frac{1}{3}=\frac{4}{11}\)
b) \(\left(x+\frac{1}{5}\right)^2+\frac{17}{25}=\frac{26}{25}\)