解法一
﹙3√27-2√48﹚÷√3
=﹙9√3-8√3﹚÷√3
=√3÷√3
=1
解法二
﹙3√27-2√48﹚÷√3
=3√9-2√16
=3×3-2×4
=9-8
=1
猜你喜欢
- 1柴的上部首加石是个什么字怎么读
- 2My friend failed to meet me at the station,and I was at a loss what to do _____ the circumstances.
- 3There are air and water on the Earth.air不可数,There be遵循就近原则,为什么不用is
- 4There _____(be) a football game tomorrow.
- 5“好红的一个太阳啊!”的英文怎么写?
- 6若函数fx=（|x-2|+a）/（根号（4-x²））的图像关于原点对称,则f（a /2）=?
- 7Ben is from America改为一般疑问句
- 825度时,10L水中含氢氧根离子的物质的量为多少mol?
- 9能感悟人生的句子
- 10friends,my,always,football,play,games连词成句