你们8.01x2又3/8+1.99x2.375+2又7/8简便计算。

日期：2022-03-13 22:59:40 人气：1

8.01x2又3/8+1.99x2.375+2又7/8
=8.01×2.375+1.99×2.375+2.875
=（8.01+1.99）×2.375+2.875
=10×2.375+2.875
=23.75+2.875
=26.625