Материал для уроков алгебры в 9 классе «Арифметическая прогрессия»
| n | a1 | an | an+1 | d | S n |
1 | 5 | 2 | | | 1 | |
2 | | 1 | -3 | | | -3 |
3 | 4 | | 15 | 18 | | |
4 | 7 | 8 | | | | -28 |
5 | | -5 | 51 | | | 184 |
6 | 3 | 4 | 18 | | | |
7 | | 3 | 6 | | | 18 |
8 | 5 | | -31 | -40 | | |
9 | 6 | 3 | | | | 78 |
10 | | 7 | 1 | -1 | | |
| n | a1 | an | an+1 | d | S n |
1 | 9 | 1 | 17 | | | |
2 | | 3 | -27 | | | -84 |
3 | 1 | | 3 | | 1 | |
4 | 8 | | -28 | | -4 | |
5 | | -5 | -29 | | | -153 |
6 | | -3 | 11 | | 2 | |
7 | | -3 | -3 | | 2 | |
8 | 8 | | 28 | | 5 | |
9 | | 5 | | -22 | -3 | |
10 | | 9 | 30 | | | 156 |
| n | a1 | an | an+1 | d | S n |
11 | 2 | -6 | -5 | | | |
12 | | -6 | -18 | | | -84 |
13 | 2 | | | -11 | -3 | |
14 | 6 | 9 | | | | 39 |
15 | | 2 | -10 | | | -20 |
16 | 9 | -3 | 37 | | | |
17 | | -5 | -1 | | | 6 |
18 | 6 | | -27 | -31 | | |
19 | 5 | -2 | | | | 10 |
20 | | 3 | -18 | -21 | | |
| n | a1 | an | an+1 | d | S n |
21 | 8 | 6 | 27 | 30 | | |
22 | | -9 | -1 | | | -15 |
23 | 5 | | -12 | | -3 | |
24 | 4 | 9 | 3 | | | 24 |
25 | | 8 | -10 | | | -7 |
26 | 4 | 7 | 19 | 23 | | |
27 | | -6 | -6 | | 0 | -36 |
28 | 4 | | -8 | | -1 | |
29 | 5 | -5 | | | | -45 |
30 | | -8 | -8 | | | -72 |
| n | a1 | an | an+1 | d | S n |
31 | 6 | 7 | -13 | | | |
32 | | 5 | 11 | | | 56 |
33 | 7 | | -19 | | -4 | |
34 | 1 | 1 | | | -4 | 1 |
35 | | -3 | 3 | | | 0 |
36 | 2 | 5 | 9 | | | |
37 | | 7 | -2 | | | 10 |
38 | 6 | | 19 | | 3 | |
39 | 9 | 9 | | | | 117 |
40 | | -5 | -13 | | | -45 |
| n | a1 | an | an+1 | d | S n |
41 | 1 | -1 | -1 | | | |
42 | | 3 | 5 | | | 12 |
43 | 4 | | 2 | 2 | | |
44 | 7 | 9 | | | | 21 |
45 | | -8 | -8 | | | -72 |
46 | 7 | -7 | -25 | | | |
47 | | -6 | -3 | | | -9 |
48 | 8 | | -29 | | -5 | |
49 | 7 | -2 | | | | -56 |
50 | | 2 | | -23 | -5 | -40 |
| n | a1 | an | an+1 | d | S n |
51 | 7 | 5 | | -30 | | |
52 | 5 | 6 | -14 | | | |
53 | 9 | | 27 | 31 | 4 | |
54 | 7 | 4 | | | | 28 |
55 | | -9 | -21 | | | -75 |
56 | 7 | -4 | 26 | 31 | | |
57 | | -5 | -1 | | | -6 |
58 | 9 | | 27 | | | |
59 | 2 | 4 | | | | 5 |
60 | | 7 | 22 | 25 | | 87 |
| n | a1 | an | an+1 | d | S n |
61 | 6 | -6 | 14 | | | |
62 | | 8 | 8 | | -3 | 8 |
63 | 9 | | 12 | | 1 | |
64 | 1 | 9 | | | | 9 |
65 | | -1 | -1 | | | -1 |
66 | 8 | -2 | -9 | | | |
67 | | -4 | -13 | | | -34 |
68 | 2 | | 4 | | -2 | |
69 | 5 | -5 | | | | -5 |
70 | | 3 | 3 | | | 3 |
| n | a1 | an | an+1 | d | S n |
71 | 2 | -5 | | -7 | | |
72 | 4 | 2 | 5 | | | |
73 | 5 | | -1 | -2 | -1 | 5 |
74 | 7 | -5 | | | | -140 |
75 | | -8 | 4 | | | -14 |
76 | 5 | -3 | -15 | | | |
77 | | -1 | -17 | | | -81 |
78 | 9 | | -41 | -46 | -5 | |
79 | 4 | 3 | | | | -18 |
80 | | 3 | 9 | | | 18 |
| n | a1 | an | an+1 | d | S n |
81 | 5 | -9 | -25 | | | |
82 | | -6 | -2 | | | -12 |
83 | 2 | | -3 | | -1 | |
84 | 5 | 6 | | -19 | | |
85 | 1 | -3 | -3 | -7 | -4 | -3 |
86 | | -4 | 2 | | | -7 |
87 | | -8 | 12 | 16 | | 12 |
88 | 6 | | 6 | | 0 | |
89 | 2 | 6 | | | | 8 |
90 | | -1 | -1 | | | -1 |
| n | a1 | an | an+1 | d | S n |
91 | 5 | -7 | | | | -35 |
92 | | 0 | 0 | | | 0 |
93 | 7 | -8 | -14 | | | |
94 | 2 | -8 | | | 1 | |
95 | 4 | 1 | 16 | | | |
96 | 7 | | | | 4 | 21 |
97 | 6 | | 34 | | | 129 |
98 | 5 | | 15 | 18 | | |
99 | | -3 | -6 | | -3 | -9 |
100 | 3 | 2 | | | -3 | |
| n | a1 | an | an+1 | d | S n |
101 | 5 | 4 | 4 | | | |
102 | 6 | 5 | | | -4 | |
103 | | 3 | -1 | | | 2 |
104 | | 8 | | | -5 | 11 |
105 | 3 | | | | -4 | -24 |
106 | 3 | | 7 | 10 | | |
107 | 3 | -9 | | | | -18 |
108 | 7 | | 14 | | | 35 |
109 | 5 | | | 17 | | 25 |
110 | | 9 | 1 | | | 15 |
| n | a1 | an | an+1 | d | S n |
111 | 3 | 7 | 15 | | | |
112 | 2 | 0 | | | 4 | |
113 | | 1 | 10 | | 3 | |
114 | | 9 | | 7 | -1 | |
115 | | 8 | 7 | | | 15 |
116 | | -4 | | | -1 | -39 |
117 | 7 | | -25 | | | -70 |
118 | 7 | | | | 0 | -35 |
119 | | 4 | | 14 | | 40 |
120 | | 7 | | 19 | 3 |
Потамошнева Наталья Алексеевна