一个小数,它的整数部分的最小计数单位是 ,它小数部分最大的计数单位是 .
÷7=÷ =38.
× =× = ×= ×0.1=+ = ﹣.
× =× =+ =1.5× =× =1.
× =3600 × =3600 × =3600 × =3600 × =3600.
× = ÷=+ =1.
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