1 1.1 ,ex.4
2 1.2,ex.1,2
3 1.3,ex.3
4 1.practice 1
5 1.3,ex.1
6 1.3,ex.3
7 2.2, ex.1,2
8 2.2, ex.3
9 2,practice,ex.1
10 2.3,ex.3
11 3.1,ex.2
12 3.2,ex.1
13 3.2,ex.2
14 3.3,ex.1
15 3.3,ex.2
16 3.3,practice
17 3.4,ex.1
18 3.4,ex.3
19 3.5,ex,1,2
20 3.5,ex.3
21 4.1,ex.1
22 4.2,ex.1
23 4.2,ex.2
24 4,practice 1
25 4.3,ex.1,3
26 4.:4,ex.1,2
27 4.4,ex.3 -
28 4.4,ex.4
29 5.2,ex.1
30 5,practice 1
31 5.3,ex.1 -
32 5,practice 2
33 5,practice 3
34 6.1,ex.4
35 6,3,ex.2
36 6.3,ex,3
37 6.3,ex.4
38 6,practice
39 7.2,ex.2
40 7.2,ex.3
41 7.2,ex.4
42' 7,optional further
1 8.3,ex.1
2 8,practice 1
3 8.4,ex.1,2
4 8.5,ex.1,2
5 8,practice 3
6 9.2,ex.1,2,3
7 9,pra,ctice 1
8 9.3,ex.1
9 9.3,ex.3
10 9.3,ex.5
11 9.3,ex.6
12 10.1,ex.2
13 10.2,ex.1,2
14 10.3,ex.1
15 11.2,ex.2,3
16 11.3,ex.1,2
17 11.3,ex.5
18 12.1,ex.1,2
19 12,practice 1
20 12.2,ex 1,2
21 12,practice 2
22 1.2.3,ex.2
23 12,practice 3
24 13.1,ex.1
25 13.1,ex.3
26 13.2,ex.1
27 13.3,ex.1,2
28 14.1 ,ex.3,4
29 14.2,ex.1,2
30 14,practice 3
31 14.3,ex.1,2
32 14,practice 4
33 15.2,ex.3
34 15.2,ex.4
35 15,practice 1
36 15.3,ex.1
37 15,practice 2
38 15,practice 3
39 15.4,ex.1,2
40 15,practice 4
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