五的二次方,减小括号负1⼀2加1⼀4,加1⼀8和起来除以1⼀16

2025-06-26 09:22:34
推荐回答(1个)
回答1:

5²-(-1/2+1/4+1/8)÷1/16

=25+1/8÷1/16
=25+2
=27