Вправи 301 - 400 » 360 (4-6)

4) 3,6–10 = x • 4–5 • 9–10; (36/10)–10 = x • (22)–5 • 9–10; (18/5)–10 = x • 2–10 • 9–10; 18^(-10)/5^(-10) = x • 18–10 |: 18–10; x = 1/5^(-10) = 510. 5) (11/6)–4 = x • 0,49–2; (7/6)–4 = x • (49/100)–2; (7/6)–4 = x • ((7/10)2)–2; 7^(-4)/6^(-4) = x • 7^(-4)/10^(-4) |: 7–4; 64 = x • 104; x = 64 : 104; x = (6/10)4 = 0,64. 6) x = (25^4• 〖0,5〗^(-4))/(10^(-2)• 8^0 ) = (〖(5〗^2 )^4•(1/2 )^(-4))/(〖(2•5)〗^(-2)•1) = (5^8•2^4 )/(2^(-2)• 5^(-2) ) = 26 • 510 = (23 • 55)2 = (8 • 3125)2 = 250002.