12.5%x2/7x8快!(简便计算)

1个回答

写回答

xianziyu113

2025-12-15 16:44

+ 关注

12.5%×2/7×8 =0.125×8×2/7 =1×2/7 =2/7

举报有用(0分享收藏

Copyright © 2025 IZhiDa.com All Rights Reserved.

知答 版权所有 粤ICP备2023042255号