已知根号3约等于1.732,根号30约等于5.477,求根号2.7的值
问题描述:
已知根号3约等于1.732,根号30约等于5.477,求根号2.7的值
答
根号2.7=根号(81/30)=9/根号30=9/5.477=1.643
已知根号3约等于1.732,根号30约等于5.477,求根号2.7的值
根号2.7=根号(81/30)=9/根号30=9/5.477=1.643