1)4√2 7/9-2
4√25/9-2
4*5/3-2
20/3-2=14/3=4 2/3
2)√0,08 √2=√0,16=√4/25=2/5
3)√125/√5=√25=5
4)√2⁴*3⁴=2²*3²=6²=36
2)
a)3√50-√98=15√2-7√2=8√2
б)(2√3-√27)√3=(2√3-3√3)√3= -√3*√3= -3
в)(3-√7)²=9-6√7+7=16-6√7
4)√16+5,1²-8*5,1=√16-8*51/10+(51/10)²=√(4-51/10)²=51/10-4=11/10
=1 1/10
5)2+√2/√3+√6=(2+√2)*(√3-√6)/(√3+√6)*(√3-√6)=2√3-2√6+√6-2√3/-3= -√6/-3=√6/3
9-а/√а-3=-(√а-3)*(3+√а)/√а-3= -(3+√а)= -3-√а
6)3/2√7+1-3/2√7-1=2√7-1/9-2√7+1/9=2√7-1-2√7-1/9=-2/9= -2/9
1)4√2 7/9-2
4√25/9-2
4*5/3-2
20/3-2=14/3=4 2/3
2)√0,08 √2=√0,16=√4/25=2/5
3)√125/√5=√25=5
4)√2⁴*3⁴=2²*3²=6²=36
2)
a)3√50-√98=15√2-7√2=8√2
б)(2√3-√27)√3=(2√3-3√3)√3= -√3*√3= -3
в)(3-√7)²=9-6√7+7=16-6√7
4)√16+5,1²-8*5,1=√16-8*51/10+(51/10)²=√(4-51/10)²=51/10-4=11/10
=1 1/10
5)2+√2/√3+√6=(2+√2)*(√3-√6)/(√3+√6)*(√3-√6)=2√3-2√6+√6-2√3/-3= -√6/-3=√6/3
9-а/√а-3=-(√а-3)*(3+√а)/√а-3= -(3+√а)= -3-√а
6)3/2√7+1-3/2√7-1=2√7-1/9-2√7+1/9=2√7-1-2√7-1/9=-2/9= -2/9