有d數學步驟唔係好明。
第一步:5*4/2000000000
第二步驟=0.1*10^-9
我唔明由第一步驟去到第二步驟係點計出來-.-"
請教!!!
數學高手幫幫忙!!!
2010-05-08 4:22 am
回答 (3)
2010-05-08 4:39 am
2010-05-13 10:25 am
5(4)/2000000000
=5(4)/5(4)(2000000000/5(4))
=1/2000000000/20
=1/100000000-------------有八個零
=1x10^-8
=1(1/10)x10^-9
=0.1x10^-9
=5(4)/5(4)(2000000000/5(4))
=1/2000000000/20
=1/100000000-------------有八個零
=1x10^-8
=1(1/10)x10^-9
=0.1x10^-9
收錄日期: 2021-04-23 20:43:01
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100507000051KK01290