40.5克等于多少吨
问题描述：
40.5克等于多少吨
答
1000千克=1吨.1千克=0.001吨,1克=0.000001吨,40克=0.00004吨,0.5克=0.0000005吨,40.5克=0.0000405吨
40.5克等于多少吨
1000千克=1吨.1千克=0.001吨,1克=0.000001吨,40克=0.00004吨,0.5克=0.0000005吨,40.5克=0.0000405吨