14又1/2-(3.81.25-1又1/4+7.2125%)^0.01

分类: 作业答案 • 2022-01-09 18:03:51

问题描述：

14又1/2-(3.8*1.25-1又1/4+7.2*125%)^0.01

答

=14+1/2-(3.8*5/4-5/4+7.2*5/4)^0.01
=14+1/2-(10*5/4)^0.01
=29/2-12.5^0.01
≈13.474421045856221325487294044287

14又1/2-(3.8*1.25-1又1/4+7.2*125%)^0.01