Erbijsommen met vlekken tot en met 30

Erbijsommen

Oefening 1
1.	15	+		=	19
2.	15	+		=	29
3.	12	+		=	16
4.	13	+		=	20
5.	11	+		=	12
6.	14	+		=	15
7.	14	+		=	15
8.	12	+		=	15
9.	5	+		=	9
10.	13	+		=	24

Oefening 2
1.	6	+		=	10
2.	4	+		=	5
3.	6	+		=	11
4.	12	+		=	16
5.	13	+		=	21
6.	10	+		=	17
7.	15	+		=	29
8.	9	+		=	18
9.	15	+		=	18
10.	8	+		=	11

Oefening 3
1.	12	+		=	13
2.	2	+		=	3
3.	8	+		=	12
4.	7	+		=	8
5.	9	+		=	11
6.	10	+		=	13
7.	9	+		=	14
8.	14	+		=	23
9.	11	+		=	22
10.	10	+		=	16

Oefening 4
1.	11	+		=	20
2.	3	+		=	4
3.	12	+		=	16
4.	6	+		=	11
5.	4	+		=	7
6.	6	+		=	10
7.	12	+		=	21
8.	14	+		=	26
9.	14	+		=	17
10.	8	+		=	9

Erbijsommen met vlekken tot en met 30
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	15	+	4	=	19
2.	15	+	14	=	29
3.	12	+	4	=	16
4.	13	+	7	=	20
5.	11	+	1	=	12
6.	14	+	1	=	15
7.	14	+	1	=	15
8.	12	+	3	=	15
9.	5	+	4	=	9
10.	13	+	11	=	24

Oefening 2
1.	6	+	4	=	10
2.	4	+	1	=	5
3.	6	+	5	=	11
4.	12	+	4	=	16
5.	13	+	8	=	21
6.	10	+	7	=	17
7.	15	+	14	=	29
8.	9	+	9	=	18
9.	15	+	3	=	18
10.	8	+	3	=	11

Oefening 3
1.	12	+	1	=	13
2.	2	+	1	=	3
3.	8	+	4	=	12
4.	7	+	1	=	8
5.	9	+	2	=	11
6.	10	+	3	=	13
7.	9	+	5	=	14
8.	14	+	9	=	23
9.	11	+	11	=	22
10.	10	+	6	=	16

Oefening 4
1.	11	+	9	=	20
2.	3	+	1	=	4
3.	12	+	4	=	16
4.	6	+	5	=	11
5.	4	+	3	=	7
6.	6	+	4	=	10
7.	12	+	9	=	21
8.	14	+	12	=	26
9.	14	+	3	=	17
10.	8	+	1	=	9