5 × 5 - 5 - 5 - 5
=25-5-5-5
=10
(5 ÷ 5 + 5 ÷ 5 ) × 5
=(1+1)× 5
=10
(5 - 5) × 5 +( 5 + 5)
=0×5+10
=10
(5 + 5) - (5 - 5) × 5
=10-0×5
=10
一共是4个
5 × 5 - 5 - 5 - 5
=25-5-5-5
=10
(5 ÷ 5 + 5 ÷ 5 ) × 5
=(1+1)× 5
=10
(5 - 5) × 5 +( 5 + 5)
=0×5+10
=10
(5 + 5) - (5 - 5) × 5
=10-0×5
=10
一共是4个