11.1×19-19怎样简便计算

11.1×19-19怎样简便计算
2025-03-22 07:14:01
推荐回答(2个)
回答1:

11.1×19-19怎样简便计算
=(11.1-1)*19
=10.1*19
=191.9

回答2:

11.1x19-19
=(11.1-1)x19
=10.1x19
=10x19+0.1x19
=190+1.9
=191.9