来自蒋夏军的问题
常用单位的换算关系:(1)1km=______m;1cm=______m;1m=______mm;60μm=______mm=______nm.1光年=______m.(2)1cm2=______m2;1cm3=______m3;1ml=______m31L=______ml.(3)1t=______kg;1g=______kg;1min=______s
常用单位的换算关系:
(1)1km=______m; 1cm=______m; 1m=______mm; 60μm=______mm=______nm.
1光年=______m.
(2)1cm2=______m2; 1cm3=______m3; 1ml=______m3 1L=______ml.
(3)1t=______kg; 1g=______kg; 1min=______s 1h=60min=______s
(4)1小时=______秒; 1m/s=______km/h; 1g/cm3=______kg/m3;36km/h=______m/s.
(5)1mA=______A;1kV=______V;1kΩ=______Ω;1kw=______w;1kwh=______J=______度.
1回答
2020-04-07 23:19