Welk getal ontbreekt t/m 30?

Optellen

Oefening 1
1.	6	+		=	7
2.	10	+		=	16
3.	12	+		=	21
4.	5	+		=	7
5.	13	+		=	23
6.	14	+		=	26
7.	12	+		=	21
8.	13	+		=	19
9.	14	+		=	17
10.	15	+		=	20

Oefening 2
1.	6	+		=	8
2.	10	+		=	17
3.	15	+		=	23
4.	10	+		=	13
5.	15	+		=	27
6.	6	+		=	9
7.	6	+		=	9
8.	13	+		=	17
9.	14	+		=	20
10.	13	+		=	25

Oefening 3
1.	8	+		=	9
2.	13	+		=	22
3.	14	+		=	23
4.	13	+		=	18
5.	13	+		=	25
6.	4	+		=	7
7.	10	+		=	14
8.	13	+		=	22
9.	13	+		=	15
10.	11	+		=	22

Oefening 4
1.	10	+		=	20
2.	13	+		=	20
3.	14	+		=	21
4.	14	+		=	27
5.	11	+		=	17
6.	15	+		=	22
7.	3	+		=	5
8.	5	+		=	7
9.	15	+		=	24
10.	3	+		=	4

Welk getal ontbreekt t/m 30?
| ANTWOORDEN

Optellen

Oefening 1
1.	6	+	1	=	7
2.	10	+	6	=	16
3.	12	+	9	=	21
4.	5	+	2	=	7
5.	13	+	10	=	23
6.	14	+	12	=	26
7.	12	+	9	=	21
8.	13	+	6	=	19
9.	14	+	3	=	17
10.	15	+	5	=	20

Oefening 2
1.	6	+	2	=	8
2.	10	+	7	=	17
3.	15	+	8	=	23
4.	10	+	3	=	13
5.	15	+	12	=	27
6.	6	+	3	=	9
7.	6	+	3	=	9
8.	13	+	4	=	17
9.	14	+	6	=	20
10.	13	+	12	=	25

Oefening 3
1.	8	+	1	=	9
2.	13	+	9	=	22
3.	14	+	9	=	23
4.	13	+	5	=	18
5.	13	+	12	=	25
6.	4	+	3	=	7
7.	10	+	4	=	14
8.	13	+	9	=	22
9.	13	+	2	=	15
10.	11	+	11	=	22

Oefening 4
1.	10	+	10	=	20
2.	13	+	7	=	20
3.	14	+	7	=	21
4.	14	+	13	=	27
5.	11	+	6	=	17
6.	15	+	7	=	22
7.	3	+	2	=	5
8.	5	+	2	=	7
9.	15	+	9	=	24
10.	3	+	1	=	4