> 数学 >
4.43-(3.55-2.57)这题用简便方法计算 = =
人气:325 ℃ 时间:2020-04-25 08:13:28
解答
4.43-(3.55-2.57)
=4.43-3.55+2.57
=4.43+2.57-3.55
=7-3.55
=3.45
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版