> 数学 >
(-20.75)+13/4+(-4.25)+79/4=?
人气:220 ℃ 时间:2020-05-20 23:59:06
解答
(-20.75)+13/4+(-4.25)+79/4
=(-20.75-4.25)+(13/4+79/4)
=-25+23
=-2
推荐
猜你喜欢
© 2026 79432.Com All Rights Reserved.
电脑版|手机版