Welk getal ontbreekt t/m 12?

Optellen

Oefening 1
1.	2	+		=	3
2.	4	+		=	6
3.	2	+		=	3
4.	4	+		=	6
5.	6	+		=	7
6.	4	+		=	7
7.	4	+		=	7
8.	4	+		=	8
9.	6	+		=	7
10.	2	+		=	3

Oefening 2
1.	3	+		=	5
2.	5	+		=	8
3.	5	+		=	8
4.	3	+		=	5
5.	4	+		=	6
6.	3	+		=	4
7.	6	+		=	7
8.	4	+		=	5
9.	6	+		=	9
10.	4	+		=	6

Oefening 3
1.	4	+		=	5
2.	6	+		=	10
3.	5	+		=	9
4.	3	+		=	6
5.	5	+		=	6
6.	5	+		=	7
7.	3	+		=	5
8.	6	+		=	7
9.	4	+		=	6
10.	5	+		=	6

Oefening 4
1.	5	+		=	8
2.	5	+		=	8
3.	3	+		=	5
4.	6	+		=	7
5.	6	+		=	9
6.	6	+		=	11
7.	2	+		=	3
8.	5	+		=	6
9.	2	+		=	3
10.	4	+		=	8

Welk getal ontbreekt t/m 12?
| ANTWOORDEN

Optellen

Oefening 1
1.	2	+	1	=	3
2.	4	+	2	=	6
3.	2	+	1	=	3
4.	4	+	2	=	6
5.	6	+	1	=	7
6.	4	+	3	=	7
7.	4	+	3	=	7
8.	4	+	4	=	8
9.	6	+	1	=	7
10.	2	+	1	=	3

Oefening 2
1.	3	+	2	=	5
2.	5	+	3	=	8
3.	5	+	3	=	8
4.	3	+	2	=	5
5.	4	+	2	=	6
6.	3	+	1	=	4
7.	6	+	1	=	7
8.	4	+	1	=	5
9.	6	+	3	=	9
10.	4	+	2	=	6

Oefening 3
1.	4	+	1	=	5
2.	6	+	4	=	10
3.	5	+	4	=	9
4.	3	+	3	=	6
5.	5	+	1	=	6
6.	5	+	2	=	7
7.	3	+	2	=	5
8.	6	+	1	=	7
9.	4	+	2	=	6
10.	5	+	1	=	6

Oefening 4
1.	5	+	3	=	8
2.	5	+	3	=	8
3.	3	+	2	=	5
4.	6	+	1	=	7
5.	6	+	3	=	9
6.	6	+	5	=	11
7.	2	+	1	=	3
8.	5	+	1	=	6
9.	2	+	1	=	3
10.	4	+	4	=	8