2. а) (3m2 n) -4=1 / (3 m2n) 4
Б) ( K-2p3 )= 1/ ( K2p3 )2
В) 2х-3 – у-4 = 1/ 2х3-у4
3) a) ab-3 / a-7b-16 = a1+7b-3+16 = a8b13
b) c8c28 /c-10 c = c8+28 / c-10+1 =c36 /c-9 = c36+9 c4 5
4. 416*87 / 215 169 328 =( 22)-16 (23)7 / 2-15 (24)9 (25)8 = 2-32 221 / 2-15 236 240 =2-11/261 = 2(-11-61) = 2-72
7) p = ax-1 / a+3
a+3 – ( ax-1 /p)
a = (ax-1 /p) - 3
6) a) a+2b = 5.4755+2*11.12 = 27.4155
b) a+3 /b =5.4755 + 3 / 11.12 = 0.764