17.8-11.9+3.96简便计算

17.8-11.9+3.96简便计算
2025-01-24 02:48:32
推荐回答(1个)
回答1:

原式=17.8-(11.8+0.1)+3.96
=17.8-11.8-0.1+3.96
=6-0.1+4-0.04
=10-0.14
=9.86