1.2538+1.1253-5/4 脱式计算

分类: 作业答案 • 2023-01-19 18:55:07

问题描述：

1.25*38+1.125*3-5/4 脱式计算

答

=1.25*38+1.25*0.9*3-1.25
=1.25*(38+2.7-1)
=1.25*39.7
=49.625

1.25*38+1.125*3-5/4 脱式计算