⅕ - 0.2, ½ - 50%, ¾ - 75%, ¼ - 0.25, ⅒ - 0.1, ⅖ - 40%, 0.6 - 60%, 8% - 0.08, 27% - 0.27, 80% - ⅘,

三年级 数学 分数、小数与百分比

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