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2019ҵλƸְ⿼Աɣַ

2019-05-15 19:47:01| й

2019ҵλƸ1009˹415շοԿĿΪְҵ顷͡ۺӦƣʱΪ519Ϊ˰λܹõıսҵλƸԣйΪ׼ҵλƸְ⿼Դ⼼ɣַϣλܼʱ鿴һ֮

һʲôַ

ַʽݲֳϱڼĺͻʽٷֱӦķڷɣڳ˳ļС

ַڱȽϸӵij˷㡣

1.˷ԭ

еһв֡

˵3535×(1+11.2%)=3535×1+3535×1‰+3535×1%c+3535×0.2‰≈3535+35+4=3574

2.ԭ

ֻв֣һ²֡

˵175.5÷13=(169+6.5)÷13=169÷13+6.5÷13=13+0.5=13.5

ģϰ

2011ĩTгְҽƱղαԱ474.52ˣҽƱղαԱ498.30;ְϱղαԱ458.70ˣϱղαԱ97.80ˣʧҵղαְ258.75ˣ˱ղαְ320.42ˡְᱣջ510.6Ԫ18.1%;Уϱջ335.8Ԫ20.4%

簴2011ٶȹ㣬2012TְᱣջԼΪ(  )

A.580Ԫ

B.600Ԫ

D.640Ԫ

C.620Ԫ

ȷ𰸣B

йݲϣ2011Tְᱣջ510.6Ԫ18.1%簴2011ٶȹ㣬2012TְᱣջΪ510.6×(1+18.1%)≈510(1+10%+8%)≈510+50+5×8=600(Ԫ)

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