> 数学 >
16.12×9.9+1.612用简便算法怎麽计算?
人气:206 ℃ 时间:2020-06-02 16:54:26
解答
16.12×9.9+1.612
=16.12×9.9+16.12×0.1
=16.12×(9.9+0.1)
=16.12×10
=161.2
推荐
猜你喜欢
© 2025 79432.Com All Rights Reserved.
电脑版|手机版