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???2013???????????
2013???????????
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??????????1?100???????????????????1?150?????????????????????1?200?????????
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100? ?= ? 150? ?= ? 200? ?= ?
?????????????????????????? ???????????????????????
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???
2013?1?23?
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1.???????????"???"????(1?1398???);
???????????"???"???????????????????? ???????????????1398??????????????????;????????????????????????????????
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2.???????????"???"????(2?698???);
???????????"???"???????????????????? ?
????????????????1396??????????????????;????????????????????????????????;?????????????????????????
???????1398?????????????
3.??????????"???"????(3?398???);
???????????"???"???????????????????? ?????????????????1194??????????????????;????????????????????????????????;??????????????????????????
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500? ?= ?
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????????????1?50????????;????????????????1?100????????;???????????1?150?????????
?????????????????????????????????????????????????????????????????????;
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50? ?= ? 100? ?= ? 150? ?= ?
??????????????????????? ?????????????(????????)
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??? 20xx?1?23?
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????????3
?????????----?????????????????????????????????????????????????????????
??????(?????)?
??????????????50????? ???????????????100????? ??????????+????200?/? ??????????+????400?/?
??????????+????800?/? ??????????(??????"xx????"??????????????????????????????)
??1???????(?????2015?1?29?????226????2015??????217?)
???????
?????1.4888?? =1.4552? ??2???????
???????
?????1.4802??
????????(?????????)
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??1+???14,888?+9800?=2.4688?? ??2+???14,802?+9800?=2.4602??
????? 2016?2?3?
??
???????????????????????????????15-20??
?????????
??2015?????????
?????????----?????????????????????????????????????????????????????????
??????????????
??????????????50????????????????????100???????????????+????200?/???????????+????400?/?
??????????+????800?/??????????????????xx???????????????????????????????????
??1?????????????2015?1?29?????226????2015??????217??
???????
?????1.4888?? =1.4552???2???????
???????
?????1.4802??
???????????????????
???????
??1+???14,888?+9800?=2.4688?? ??2+???14,802?+9800?=2.4602??
????? 2015?2?3?
??
???????????????????????????????15-20??
?2017????????????????
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发表于 2019-9-13 23:46:11