1.9÷0.1简便计算

1.9÷0.1简便计算
2025-03-13 14:42:21
推荐回答(2个)
回答1:

解:1.9÷0.1
=1.9/0.1
=1.9*10/(0.1*10)
=19/1
=19

回答2:

1.9÷0.1
=1.9x10÷0.1x10
=19÷1
=19