1) 64^1/2 = √64 = 8
2) 121^1/2 = √121 = 11
3) (243*32)^1/5 = (3^5*2^5)^1/5 = 3 * 2 = 6
4) 9^8 * 25^7 : 225^6 = 3^16 * 5^14 : 3^12*5^12= 3^4 * 5² = 81 + 25 = 2025
5)- 150 * 128^1/7 + 35 = - 150 * (2^7)^1/7 + 35 = - 150 * 2 + 35 = - 265
6)непонятно условие
7) (25^4)^1/8 = (5^8)^1/8 = 5