1g/dm²*100mm/10=1g/dm²*1dm/10=1g/m
答案应该是1g/m
∵1dm²=(0.1)²m²=0.01m²，1mm=0.001m，100mm=0.1m∴1g/dm²*100mm/10=1g/0.01m²*0.1m/10=1g/m
