Question

Tinh bang cach thuan tien : 

 

 

 

 

56 *63 / 9 * 8

Answer 1

\(\frac{56\times63}{9\times8}=\frac{7\times8\times9\times7}{9\times8}=\frac{7\times7}{1}=49\)

k cho mk nha

Answer 2

\(\frac{56\cdot63}{9\cdot8}=\frac{7\cdot6}{1}=42\)