Odpowiedź:
5.
√9/25 * √25/36 + (√361)² - 4 * √0,49 * √100 = 3/5 * 5/6 + 361 - 4 * 0,7 * 10 =
= 1/2 + 361 - 4 * 7 = 361 1/2 + 28 = 389 1/2
6.
V = abh = 4√3cm * 2√2cm * √3cm = 8√(9*2)cm³ = 8 * 3√2cm³ = 24√2cm³
7.
A.
∛64 = 4 √1/4 = 1/2 P
1/2 * 8 = 4
B.
∛-27 = -3 √9 = 3 P
-3 + 6 = 3
C.
√25 = 5 ∛1000 = 10 P
5 * 2 = 10
D.
√1/4 = 1/2 ∛-1 = -1 F
1/2 + 1/2 = 1 ≠ -1
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Odpowiedź:
5.
√9/25 * √25/36 + (√361)² - 4 * √0,49 * √100 = 3/5 * 5/6 + 361 - 4 * 0,7 * 10 =
= 1/2 + 361 - 4 * 7 = 361 1/2 + 28 = 389 1/2
6.
V = abh = 4√3cm * 2√2cm * √3cm = 8√(9*2)cm³ = 8 * 3√2cm³ = 24√2cm³
7.
A.
∛64 = 4 √1/4 = 1/2 P
1/2 * 8 = 4
B.
∛-27 = -3 √9 = 3 P
-3 + 6 = 3
C.
√25 = 5 ∛1000 = 10 P
5 * 2 = 10
D.
√1/4 = 1/2 ∛-1 = -1 F
1/2 + 1/2 = 1 ≠ -1
Szczegółowe wyjaśnienie: