√100=√10²=10
√169=√13²=13
√(25)²=25
√36/121= √(6²/11²)=6/11
√2*√32=√(2*32)=√64=√8²= 8
√0,000121= √(0,011)²= 0,011
6.
4⁴=256
(9а)²=81а²
(6/8а^-2в^2)^-2=
(6/8)^-2*а^4в^-4=
(8/6)^2* а^4/в^4=
(4/3)^2* а^4/в^4=
16а^4 / 9в^4
(^ в степени)
8^15 * 8^-12 / 8^4=
8^15-12-4=
8^-1= 1/8
81^2 * 3^-10 / 9^-3=
(3^4)^2 * 3^-10 / (3^2)^-3=
3^8+(-10)-(-6)=
3^8-10+6=
3^4= 81