Question

如果2/1&3=2/1 * 3/1 * 4/1，7/1&2=7/1 * 8/1，那么请你探究，3/1&3=（ ),3/1 &3-2/1&4=( )

xiexie!

Answer 1

3/1&3=(3/1 * 4/1* 5/1),
3/1 &3-2/1&4=( 2/1 * 3/1 * 4/1* 5/1)