; ; ?Nhận xét:- dfrac{3}{7} dfrac{7}{7} nên dfrac{3}{7} 1- dfrac{8}{5}dfrac{5}{5} nên dfrac{8}{5}1- 4:41 nên dfrac{4}{4}1. a) dfrac{12}{15} 1 b) dfrac{9}{7} 1 c) dfrac{3}{3} 1 d) dfrac{99}{100} 1
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>; <; = ?
Nhận xét: - \(\dfrac{3}{7}< \dfrac{7}{7}\) nên \(\dfrac{3}{7}< 1\) - \(\dfrac{8}{5}>\dfrac{5}{5}\) nên \(\dfrac{8}{5}>1\) - \(4:4=1\) nên \(\dfrac{4}{4}=1\). |
a) \(\dfrac{12}{15}\) 
1 b) \(\dfrac{9}{7}\) 
1 c) \(\dfrac{3}{3}\) 
1 d) \(\dfrac{99}{100}\) 
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