完成下列单位换算
题目
完成下列单位换算
(1) 1.2m=__dm=__mm=__nm
(2) 60dm=__km=__μm
(3) 30dm²=__cm²=__m²
(4) 360cm³=__m³=__mm³
答案
12,1200,1200000000
0.006,6000000
3000,0.3
0.00036,360000
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