5 x5 x5 x(5 -5)=0
5 ÷5 +5 x(5 -5)=1
(5+ 5)÷ 5 +5 -5=2
5÷5+( 5+5)÷5=3
(5 +5+ 5+ 5)÷ 5=4
5 x5÷ 5+ 5- 5=5