Odpowiedź:
Szczegółowe wyjaśnienie:
Zad 17
0 < a/20 < 1/4 I * 20
0 < a < 5
a ∈ {1,2,3,4}
0 < b/15 < 1/2 I * 15
0 < b <7 1/2
b ∈ {1,2,3,4,5,6,7}
1/2 < c/21 < 1 I * 21
10 1/2 < c < 21
c ∈ {11,12,13,14 ... 20}
1 < d/30 < 1 1/2 I * 30
30 < d < 45
d ∈ {31,32,33 ... ,44}
b)
1/7 < x <2/7
2/14 < x < 4/14
x = np 3/14
3/4 < y < 7/8
18/24 < y < 21/24
y = np 19/24
1/3 < z < 1/2
4/12 < z < 6/12
z = np 5/12
2/3 < w < 3/4
16/24 < w < 18/24
w = np 17/24
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Verified answer
Odpowiedź:
Szczegółowe wyjaśnienie:
Zad 17
0 < a/20 < 1/4 I * 20
0 < a < 5
a ∈ {1,2,3,4}
0 < b/15 < 1/2 I * 15
0 < b <7 1/2
b ∈ {1,2,3,4,5,6,7}
1/2 < c/21 < 1 I * 21
10 1/2 < c < 21
c ∈ {11,12,13,14 ... 20}
1 < d/30 < 1 1/2 I * 30
30 < d < 45
d ∈ {31,32,33 ... ,44}
b)
1/7 < x <2/7
2/14 < x < 4/14
x = np 3/14
3/4 < y < 7/8
18/24 < y < 21/24
y = np 19/24
1/3 < z < 1/2
4/12 < z < 6/12
z = np 5/12
2/3 < w < 3/4
16/24 < w < 18/24
w = np 17/24