六年级上册期末考试必背知识点
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简介
一、分数、小数、百分数之前互化 =0.5=50% =0.25=25% =0.75=75% =0.2=20% =0.4=40% =0.6=60% =0.8=80% =0.02=2% =0.01=1% =0.125=12.5% =0.375=37.5% =0.625=62.5% =0.875=87.5% =0.1=10% =0.3=30% =0.7=70% =0.9=90% =0.05=5% =0.04=4% =0.08=8% =0.16=16% =0.32=32% 二、百分率 生活中的百分率=×100% 增长率=×100% 盈利率=×100% 亏损率=×100% 合格率=×100% 达标率=×100% 死亡率=×100% 出勤率=×100% 小麦出粉率=×100% 成活率=×100% 投篮命中率=×100% 废品率=×100% 缩水率=×100% 次品率=×100% 含盐率=×100% 含糖率=×100%
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