1点1×11×1点1-1点1×1点一点一点一怎么简便运算

2025-12-18 01:12:48
推荐回答(1个)
回答1:

1点1×11×1点1-1点1×1点一点一点一怎么简便运算
1.1*11*1.1-1.1*1.1*1.1
=1.1*1.1*(11-1.1)
=1.21*(10-0.1)
=1.21*10-1.21*0.1
=11.979