12月10日,北京气温为﹣5~5℃,它的温差是 .如果把3℃记为0,1℃应记为 .
= ÷ === (小数)= (百分数)= (成数)
0.16==2÷ =8: = %
0.75==6÷( )=12:( )=( )%
0.25== :16=5÷ = %
:20=0.8=12÷ == %= (填成数)