Zamień na procenty1/6 3/7 8/9 7/12 4/15 11/19 1 2/3 3 1/13 2 6/23
12 5/17 8 10/12 20 14/22
Zamień na ułamiek a) 6% 17 % 34% 87% 107% 478%
b) 0,25% 0,049 % 2,9% 78,62% 186,2%
c) 4/5% 7/20% 1 2/3% 4 5/7% 6 2/9% 13 5/6%
Zamien na promile
14/100 3/10 2/5 9/40
0,27 3,836 4,75 0,463
4/5% 3 2/7% 42,37% 2,45%
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1/6 = 16.(6)%
3/7 = około 40%
8/9 = 88.(8)%
7/12 = 58.(3)%
4/15 = 26.(6)%
11/19 = około 58%
1 2/3 = 166.(6)%
3 1/13 około 308%
2 6/23 około 227%
12 5/17 około 1230%
8 10/12 około 880%
20 14/22 2060%
2.
a) 6% = 0.06
17% = 0.17
34% = 0.34
87% = 0.87
107% = 1.07
478% = 4.78
b)
0.25% = 0.0025
0.049% = 0.00049
2.9% = 0.029
78.62% = 0.7862
186.2% = 1.862
c)4/5% = 0.008
7/20% = 0.0035
1 2/3% = 0.016(6)
4 5/7% = 0.047%(około)
6 2/9% = 0.062%(około)
13 5/6% = 0.138%(około)
Na promile
140 promila
30 promila
400 promile
225 promila
270 promili
3836 promili
4750 promili
463 promili
8 promili
33promili (około)
423.7 promili
24.5 promili
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