Question

1.有6个数,2、3、4、6、9、12不重复使用,要使下列等式成立 1组:( )/( )=( )/( )=( )/( )

Answer 1

1

1组:(12 )/( 4 )=( 9)/( 3 )=( 6)/( 2)=3.

2组:( 4 )/( 12)=( 3 )/( 9)=( 2 )/( 6 )=1/3

2 20