> 数学 >
6.25-0.625+3.75-0.375简算
人气:430 ℃ 时间:2020-01-29 21:51:59
解答
6.25-0.625+3.75-0.375 =6.25+3.75-0.375-0.625 =(6.25+3.75)-(0.375+0.625) =10-1 =9
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版