1毫米=0.001米4毫米=0.004米1厘米=0.01米92厘米=0.92米5-0.004-0.92=5-(0.004+0.92)=5-0.924=5-(1-0.076)=5-1+0.076=4.076谢谢,请采纳
5米=500厘米 4毫米=0.4厘米500-0.4-92=407.6