cho \(\dfrac{a}{b}\) < \(\dfrac{c}{d}\) \((\) b;d > 0 \()\)
C/M \(\dfrac{a}{b}\) <\(\dfrac{a+c}{b+d}\) <\(\dfrac{c}{d}\)
Loga
Toán lớp 6
cho \(\dfrac{a}{b}\) < \(\dfrac{c}{d}\) \((\) b;d > 0 \()\)
C/M \(\dfrac{a}{b}\) <\(\dfrac{a+c}{b+d}\) <\(\dfrac{c}{d}\)
