а) <span> (√6+<span> √10)*2<span> √2-2<span> √12=2<span> √12+2<span>√20-2<span>√12=<span> 2√20</span></span></span></span></span></span></span></span>
<span><span><span><span><span><span><span><span>б) (2√5-7)в квадрате+28√5=20-28√5+28√5=20</span></span></span></span></span></span></span></span>
<span> куб разности <span><span>(<span>a-b</span>)</span>^3</span> = <span><span><span><span>a^3-</span><span><span>3<span>a^2</span></span>b</span></span>+<span><span>3a</span><span>b^2-</span></span></span><span>b^3</span></span> </span><span>.
(a-1)^3= a^3-3a^2+3a-1</span>
(15a^8 * b^3)/(12a^4 * b^9) = 5a^4 / 4b^6
1) б^3 - 64
2) 8a^3+27b^3
3) x^9+216y^6
Ответ:
ну...например 1.32; 1.34; 1.36; 1.37; 1.39;