| Basic |
Intermediate |
Advanced |
Challenge |
|
| 1.1 |
1-6 |
7-20, 26-33 |
21-25 |
|
| 1.2 |
1,2,7,8 |
3-6, 11 |
|
|
| 1.3 |
1-28, |
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| 2.1 |
1-20 |
21-26, 39-42 |
30-33, 38 |
34-37 |
| 2.2 |
1-8 |
30-38 | 9-22 | 23-26 |
| 2.4 |
23-25 |
1-12, 17-20, 27-31 | 13-16 |
21, 22, 32, 33 |
| 2.5 |
1-6 |
7-14, 25-27 |
||
| 2.6 |
1-12, 15,
16,
18-22 |
25-31 |
23, 24, 32 |
17 |
| 2.7 |
20-23 |
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| 2.8 |
13-19 |
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| Ch. 2
Problems |
1-9, 11-19,
21-26, 28-30, 32 |
10,
20,
27 |
31,
33,
34,
36-41 |
42-47,
48-51 |
| 3.1 |
1-16 |
17,
18 |
21-24,
27,
28 |
|
| 3.2 |
13-15 |
1-6,
17-21 |
7-12,
16,
29-32,
37 |
33,
36,
38-40 |
| 3.3 |
1-22, 27,
30, 31 |
34-42 |
28,29,32 |
33,
43-46 |
| 3.4 |
1-14 |
23-30,
41-46 |
20-22,
31-37,
38-40 |
|
| 3.5 |
1-18 |
28 |
27,
29-32 |
33-37 |
| 3.6 |
1-20 |
21-26,
28-32 |
27 |
|
| 4.1 |
11-16 |
1-10 |
18 |
20,
25-28 |
| 4.2 |
1-10 |
11-28 |
29-36 |
40,
41 |
| 4.3 |
1-8,
13-19 |
20-21 |
||
| 4.4 |
1-6 |
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| 5.1 |
1-28 |
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| 5.2 |
1-18 |
19,20 |
21,22 |
|
| 5.3 |
5-8, 11-14,
16-21 |
1-4 |
10 |
15,
22-29 |
| 5.4 |
1-34 |
35-39,
41,
42 |
40,
43-49 |
|
| 5.5 |
1-10 |
11-14 |
15, 16 |
|
| 5.6 |
1-17 |
18-21 |
||
| 5.7 |
6 |
1-4, 12, |
5, 7-11, 13, 14 |
|
| 6.1 |
1-20 |
21-24,
27 |
25,
26 |
|
| 6.2 |
1-26 |
28-34 |
27 |
35-38 |
| 6.3 |
1-24 |
30-33,
35-38 |
25-29,
34,
39,
40 |
|
| 6.4 |
1-13 |
14,15 |
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| 6.5 |
1-12 |
25 |
||
| 6.6 |
1-25 |
26-28 |
||
| 7.1 |
1-12 |
14-16 |
||
| 7.2 |
1-5, 8,9 |
6,7,10-26 |
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| 7.3 |
||||
| 7.4 |
4, 8, 9 | |||
| 7.5 |
1-10,15,16 (Ignore the "draw
direction","describe behavior" parts) |
28,29 |
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| 7.6 |
1-6,9,10,13-20 |
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| 7.7 |
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| 7.8 |
1-4,7-10 |