(1)根号8-(根号3-1)+-1的绝对值
=2√2-√3+1+1
=2√2-√3+2;
(2)(-3)的平方-(-3)*2-根号20
=9+6-2√5
=15-2√5;
3)根号48/根号3-根号2分之一*根号12+根号24:
=4-√6+2√6
=4+√6;
(4)根号(1-根号3)的平方-根号3分之3+根号2分之2
=√3-1-√3+√2
=√2-1;
如果本题有什么不明白可以追问,
(1)根号8-(根号3-1)+-1的绝对值
=2√2-√3+1+1
=2√2-√3+2;
(2)(-3)的平方-(-3)*2-根号20
=9+6-2√5
=15-2√5;
3)根号48/根号3-根号2分之一*根号12+根号24:
=4-√6+2√6
=4+√6;
(4)根号(1-根号3)的平方-根号3分之3+根号2分之2
=√3-1-√3+√2
=√2-1;
如果本题有什么不明白可以追问,