\(\frac{43}{20}+\frac{17}{6};\left(\frac{5}{8}-\frac{7}{30}\right)\)
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\(\frac{43}{20}+\frac{17}{6}\div\left[\frac{5}{8}+\frac{7}{30}\right]\)
\(\frac{43}{20}+\frac{17}{6}:\left[\frac{5}{8}+\frac{7}{30}\right]\)
= \(\frac{43}{20}+\frac{17}{6}:\frac{103}{120}\)
= \(\frac{43}{20}+\frac{340}{103}\)
=\(\frac{11229}{2060}\).
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\(\frac{43}{20}+\frac{17}{6}:\left[\frac{5}{8}+\frac{7}{30}\right]\)
\(=\frac{43}{20}+\frac{17}{6}:\left[\frac{103}{120}\right]\)
\(=\frac{43}{20}+\frac{340}{103}=\frac{11229}{2060}\)
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\(\frac{43}{20}+\frac{17}{6}:\left(\frac{5}{8}+\frac{7}{30}\right)\)
\(=\frac{43}{20}+\frac{17}{6}:\frac{103}{120}\)
\(=\frac{43}{20}+\frac{340}{103}\)
\(=\frac{11229}{1060}\)
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\(3\frac{14}{19}+\frac{13}{17}+\frac{35}{43}+6\frac{5}{19}+\frac{8}{43}\)
\(3\frac{14}{19}+\frac{13}{17}+\frac{35}{43}+6\frac{5}{19}+\frac{8}{43}\)
\(=3+6+\left(\frac{14}{19}+\frac{5}{19}\right)+\left(\frac{35}{43}+\frac{8}{43}\right)+\frac{13}{17}\)
\(=9+1+1+\frac{13}{17}\)
\(=11+\frac{13}{17}\)
\(=\frac{200}{17}\)
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a) \(3\frac{14}{19}+\frac{13}{17}+\frac{35}{43}+6\)
b) \(\frac{\frac{15}{12}+\frac{3}{4}-1}{3-\frac{5}{6}+\frac{2}{3}}+\frac{\frac{16}{5}+\frac{16}{7}-\frac{16}{9}}{\frac{17}{5}+\frac{17}{7}-\frac{17}{9}}\)
\(3\frac{14}{19}+\frac{13}{17}+\frac{35}{43}+6\)
\(=\frac{71}{19}+\frac{13}{17}+\frac{35}{43}+6\)
\(=\frac{1454}{323}+\frac{35}{43}+6\)
\(=5,...+6\)
\(=11,...\)
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\(Bai2a\)\(A=\frac{\sqrt{3}-\sqrt{6}}{1-\sqrt{2}}-\frac{2+\sqrt{8}}{1+\sqrt{2}}\)
\(=\frac{\sqrt{3}\left(1-\sqrt{2}\right)}{1-\sqrt{2}}-\frac{2\left(1+\sqrt{2}\right)}{1+\sqrt{2}}\)
\(=\sqrt{3}-2\)
\(VayA=\sqrt{3}-2\)
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\(\frac{43}{20}+\frac{17}{65}:\left(\frac{5}{8}+\frac{7}{30}\right)\)
giúp em với ạ
\(=\frac{43}{20}+\frac{17}{65}:\frac{103}{120}\)
\(=\frac{43}{20}+\frac{408}{1339}\)
\(=2,454705004\)
tíc mình nha
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\(\frac{43}{20}+\frac{17}{65}:\left(\frac{5}{8}+\frac{7}{30}\right)\)
\(=\frac{43}{20}+\frac{17}{65}:\frac{103}{120}\)
\(=\frac{43}{20}+\frac{408}{1339}\)
\(=2,4547........\)
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\(\frac{43}{20}+\frac{17}{65}:\left(\frac{5}{8}+\frac{7}{30}\right)\)
\(=\frac{43}{20}+\frac{17}{65}:\frac{103}{120}\)
\(=\) \(\frac{43}{20}+\frac{408}{1339}\)
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tính
\(\frac{43}{20}\)+ \(\frac{17}{6}\) : ( \(\frac{5}{8}\) + \(\frac{7}{30}\) )
ai nhanh mk tính nha
\(\frac{43}{20}+\frac{17}{6}:\left(\frac{5}{8}+\frac{7}{30}\right)\)
\(=\frac{43}{20}+\frac{17}{6}\cdot\frac{120}{103}\)
\(=\frac{43}{20}+\frac{340}{103}\)
\(=\frac{11229}{2060}\)
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\(\frac{27}{43}\). \(\frac{17}{29}\)-\(\frac{21}{41}\).\(\frac{1}{2}\)+\(\frac{9}{58}\): 1\(\frac{6}{37}\)- \(\frac{6}{29}\): 1\(\frac{20}{21}\)
\(\text{}\text{}\)\(=\frac{27}{43}.\frac{34}{58}-\frac{21}{41}.\frac{1}{2}+\frac{9}{58}:\frac{43}{37}-\frac{6}{29}:\frac{41}{21}\\ =\frac{27}{43}.\frac{34}{58}-\frac{21}{41}.\frac{1}{2}+\frac{9}{58}.\frac{37}{43}-\frac{6}{29}.\frac{21}{41}\)
\(\frac{6}{43}\)
\(3\frac{14}{19}+\frac{13}{17}+\frac{35}{43}+6\)
\(3\frac{14}{19}+\frac{13}{17}+\frac{35}{43}+6\)
\(=\frac{71}{19}+\frac{13}{17}+\frac{35}{43}+6\)
\(=\frac{51901}{13889}+\frac{10621}{13889}+\frac{11305}{13889}+\frac{83334}{13889}\)
\(=\frac{51901+10621+11305+83334}{13889}\)
\(=\frac{157161}{13889}=11,31550148\)
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\(\left(\frac{2}{199}-\frac{3}{398}\right):\frac{17}{199}+\frac{3}{17}\)
\(\left(\frac{-1}{6}+\frac{5}{-12}\right)+\frac{7}{12}\)
\(0.6\times\frac{8}{5}\times30\times0.675\times1\frac{2}{9}\)
\(\frac{43}{27}\left(\frac{27}{43}+\frac{86}{54}\right)-\frac{86}{54}\left(\frac{43}{27}-\frac{27}{43}\right)\)
Giải bất phương trình sau:
\(\frac{x+20}{31}-\frac{x+27}{33}\ge\frac{x+17}{43}-\frac{x+15}{45}\)