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计算练习3

发布时间:2014-07-04 11:50:17  

??????????????:______________??????_____________??????20????1.531253611??????44.44??4????________0.00325??0.013??10.22??0.2065??3.6??0.0152.321????1210????1??????????????????????????22????111111????2222??________1111??????????2??42??4??62??4??6??82??4????20

3.711??4??1826??127??________1813??3??3416

4.1é?5134?1710ù??ê3?4-3′+3-2′1????????7è17??____________???18è128ê??24?12??

5.é???3?1ù÷?0.03?6-41÷?ê?ú0.31-′?÷??êú12202?2=_______-??????êê12÷′4+2′1úú?3-2.65÷?1.88+23ê??÷80ú???5è25??êè20?

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