三年级数学等值分数

 $\frac{6}{9}\ =\ \frac{2}{\left(\ \ \ \ \ \right)}$  

(a)  

 $\frac{6}{8}\ =\ \frac{\left(\ \ \ \ \ \ \ \right)}{4}$  

(a)  

 $\frac{2}{5}\ =\ \frac{\left(\ \ \ \ \ \ \right)}{10}$  

(a)  

 $\frac{1}{4}\ \ =\ \frac{2}{\left(\ \ \ \ \ \ \right)}$  

(a)  

 $\frac{1}{2}\ =\ \frac{4}{\left(\ \ \ \ \ \ \ \right)}$  

(a)  

 $\frac{2}{3}\ =\ \frac{\left(\ \ \ \ \ \ \ \ \right)}{6}$  

(a)  

 $\frac{4}{8}\ =\frac{\left(\ \ \ \ \ \ \ \right)}{4}$  

(a)  

 $\frac{1}{\left(\ \ \ \ \ \ \ \right)}\ =\ \frac{5}{10}$  

(a)  

 $\frac{1}{3}\ =\ \frac{\left(\ \ \ \ \ \ \right)}{9}$  

(a)  

 $\frac{2}{4}\ =\ \frac{\left(\ \ \ \ \ \ \ \right)}{8}$  

(a)