今天头痛,没学习 ------------------- 参加日更,凑字数啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦...
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年均增长量 识别:年均+增长+单位(每一年的增长量相同) 公式:年均增长量=现-基/n年=总增长量/n年 拓:一二三五年份 参加日更,凑字数啦啦...
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今天没有学习 晚上为了签到皮肤,下端游下了好久 参加日更,凑字数啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦啦...
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看了 (二)给现期、r(百化分) 直接百化分----------考察常用百化分公式,第一章所学 公式:增长量=现/1+r (1)r>0:r=1/...
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