请在下面的算式中添好运算符号括号使等式成立. 5 5 5 5=1 5 5 5 5=2 5 5 5 5=3 5 5 5 5 =4
(5x5-5)÷5=1+(5+5+5)÷5=(2×5+5+5)÷5=3+5÷5+5-5=4
5÷5+5-5=1
5÷5+5÷5=2
(5+5+5)÷5=3
(5×5-5)÷5=4
(5X5-5)/5=(1X5X5-5)/5=2+(5/5+5/5)=(3+5)X5/(5+5)
(5 ×5 -5)拍租枯袭洞型陪 ÷5=(1 ×5 ×5 -5 )÷5=2 +5 ÷5 +5 ÷5=3+ (5 +5 )÷(5+ 5 )=4