23.8-0.17+16.7-(2.83+0.5)怎样用巧妙方法计算?

来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/25 17:49:20
23.8-0.17+16.7-(2.83+0.5)怎样用巧妙方法计算?23.8-0.17+16.7-(2.83+0.5)怎样用巧妙方法计算?23.8-0.17+16.7-(2.83+0.5)怎样用巧妙

23.8-0.17+16.7-(2.83+0.5)怎样用巧妙方法计算?
23.8-0.17+16.7-(2.83+0.5)怎样用巧妙方法计算?

23.8-0.17+16.7-(2.83+0.5)怎样用巧妙方法计算?
23.8-0.17+16.7-(2.83+0.5)
=23.8+(16.7-0.5)-(0.17+2.83)
=23.8+16.2-3
=40-3
=37