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Сложение и вычитание вида
1.
2.
3.
+1–1
4.
5.
6.
2 + 1=6 + 1=
3 + 1=
9 + 1=
7.
8.
2 + 1= 39.
3 + 1= 410.
2 + 1= 36 + 1=
3 + 1= 4
9 + 1=
11.
1 2 3 4 5 6…?12.
13.
0 1 2 3 4 5 6 7 8 9 1014.
0 1 2 3 4 5 6 7 8 9 106 + 1= 7
15.
0 1 2 3 4 5 6 7 8 9 109 + 1= 10
16.
2 + 1= 36 + 1= 7
3 + 1= 4
9 + 1= 1 0
17.
18.
2 – 1=8 – 1=
7 – 1=
10 – 1 =
19.
20.
0 1 2 3 4 5 6 7 8 9 102 – 1= 1
21.
2 – 1= 18 – 1= 7
7 – 1= 6
10 – 1 = 9
22.
2 – 1= 18 – 1= 7
7 – 1= 6
10 – 1 = 9
23.
2 – 1= 18 – 1= 7
7 – 1= 6
10 – 1 = 9
24.
2 – 1= 18 – 1= 7
7 – 1= 6
10 – 1 = 9
25.
26.
5-1
4
6
+1
+1
6
5
+1
7
-1
27.
28.
1+1=22+1=3
3+1=4
4+1=5
5+1=6
6+1=7
7+1=8
8+1=9
9 + 1 = 10
+–1
2–1=1
3–1=2
4–1=3
5–1=4
6–1=5
7–1=6
8–1=7
9–1=8
10 – 1 = 9
29.
+1+1
–1
-1