Odpowiedź:
Zad:7
Pierwiastek z 64 = 8 , bo 8^2 = 64
Pierwiastki 3 stopnia z 64 = 4, bo 4^3 = 64
8-4=4
Odp: Nie, B
Zad.6
1) 5^6 + 5^6 + 5^6 + 5^6 + 5^6 = 5*5^6 = 5^1+6 = 5^7 - F
2) 28^7 : 4^7 / (7*7^2) = (28:4)^7 / (7^3)^2 = 7^7 / 7^6 = 7 - P
3) 17000 km = 17600 * 10^3m = 1,76 * 10^4 * 10^3 m = 1,76 * 10^7m - P
4) (9^2)^4 = ((3^2)^2)^4 = 3^16
(3^4)^3 = 3^12
3^16 / 3^12 = 3^16-12 = 3^4 = 81 - F
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Odpowiedź:
Zad:7
Pierwiastek z 64 = 8 , bo 8^2 = 64
Pierwiastki 3 stopnia z 64 = 4, bo 4^3 = 64
8-4=4
Odp: Nie, B
Zad.6
1) 5^6 + 5^6 + 5^6 + 5^6 + 5^6 = 5*5^6 = 5^1+6 = 5^7 - F
2) 28^7 : 4^7 / (7*7^2) = (28:4)^7 / (7^3)^2 = 7^7 / 7^6 = 7 - P
3) 17000 km = 17600 * 10^3m = 1,76 * 10^4 * 10^3 m = 1,76 * 10^7m - P
4) (9^2)^4 = ((3^2)^2)^4 = 3^16
(3^4)^3 = 3^12
3^16 / 3^12 = 3^16-12 = 3^4 = 81 - F