Question

在下列五个5之间，填上适当的运算符号或小括号，使下列算式成立。（你有多少种填法）5 5 5 5 5=10

5 5 5 5 5=10

Answer 1

5 x 5- 5- 5- 5=10
(5 x5+ 5x 5) /5=10
5x 5-( 5+5+ 5)=10
5x 5-5-(5+ 5)=10
5x5-(5+ 5)-5=10

Answer 2

5 x 5- 5- 5- 5=10
(5 x5+ 5x 5) /5=10
5x 5-( 5+5+ 5)=10
5x 5-5-(5+ 5)=10
5x5-(5+ 5)-5=10

Answer 3

5 x 5- 5- 5- 5=10
望采纳。