> 数学 >
3.45×3.6+0.345×64(用简便方法计算)
人气:159 ℃ 时间:2019-12-11 02:41:33
解答
3.45×3.6+0.345×64
=0.345x10x3.6+0.345×64
=0.345×(36+64)
=0.345x100
=34.5
推荐
猜你喜欢
© 2024 79432.Com All Rights Reserved.
电脑版|手机版