Question

giai thich vi sao :

3 1/4 = 13/4

   ta co : 3 1/4 = 3 + 1/4 = ....................................................................................

Answer 1

\(3\frac{1}{4}=3+\frac{1}{4}=\frac{12}{4}+\frac{1}{4}=\frac{13}{4}\)

=> đpcm

Học tốt

Answer 2

3 1/4 =13/4

3+1/4=13/4

học tốt

Answer 3

Ta có:\(3\frac{1}{4}=3+\frac{1}{4}=\frac{12}{4}+\frac{1}{4}\)

\(\Rightarrowđpcm\)

Answer 4

Giai thich vi sao :

\(3\frac{1}{4}=\frac{13}{4}\)

   Ta co : \(3\frac{1}{4}=3+\frac{1}{4}=\frac{12}{4}+\frac{1}{4}=\frac{13}{4}\) 

Vay \(3\frac{1}{4}=\frac{13}{4}\).