\(2\frac{5}{7}=\frac{19}{7};3\frac{1}{2}=\frac{7}{2}\)
\(\frac{19}{7}:\frac{7}{2}=\frac{38}{49}\)
\(2\frac{5}{7}\) của \(3\frac{1}{2}\)
Ta Có:
\(2\frac{5}{7}\times3\frac{1}{2}=\frac{19}{7}\times\frac{7}{2}=\frac{19\times7}{7\times2}=\frac{133}{49}=\frac{19}{7}\)
P/S: ko chắc