請列出步驟和工式
1. √0.0004/441
2. 5√2+3√2
3. 5√8 -√50
幫我計計平方根
2007-08-04 1:21 am
回答 (2)
2007-08-04 1:32 am
✔ 最佳答案
1 √(0.0004/441)=√(4/4410000)=0.00095238= 1/10502 5√2+3√2= √2(5+3)=8√2
3 5√8 -√50 =5(2√2)-5√2=5√2
參考: Myself- ([email protected]) <----Msn/E-mail
2007-08-04 1:34 am
1. =√0.0004/√441=0.02/21=2/2100=1/1050
2. =(5+3)√2=8√2
3 = 5 x 2√2 - √25 x√2=10√2 - 5√2=5√2
all done......
2. =(5+3)√2=8√2
3 = 5 x 2√2 - √25 x√2=10√2 - 5√2=5√2
all done......
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https://hk.answers.yahoo.com/question/index?qid=20070803000051KK03695