\(\left(\frac{1}{3}+\frac{12}{67}+\frac{13}{41}\right)-\left(\frac{7.9}{67}-\frac{27}{41}\right)\)
\(\left(\frac{1}{3}+\frac{12}{67}+\frac{13}{41}\right)-\left(\frac{63}{67}-\frac{27}{41}\right)\)
\(=\frac{6836}{8241}-\frac{774}{2747}\)
\(=\frac{4514}{8241}\)
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bằng \(\frac{4514}{8241}\)
tk nha , thanks nhìu
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