Erbijsommen met vlekken tot en met 30

Erbijsommen

Oefening 1
1.	11	+		=	12
2.	6	+		=	9
3.	15	+		=	21
4.	14	+		=	26
5.	5	+		=	9
6.	5	+		=	10
7.	2	+		=	4
8.	7	+		=	8
9.	8	+		=	13
10.	15	+		=	26

Oefening 2
1.	10	+		=	17
2.	15	+		=	27
3.	14	+		=	22
4.	11	+		=	21
5.	10	+		=	19
6.	11	+		=	16
7.	14	+		=	25
8.	11	+		=	21
9.	14	+		=	26
10.	13	+		=	20

Oefening 3
1.	6	+		=	8
2.	9	+		=	15
3.	14	+		=	22
4.	6	+		=	8
5.	10	+		=	17
6.	8	+		=	11
7.	13	+		=	23
8.	9	+		=	15
9.	7	+		=	14
10.	11	+		=	15

Oefening 4
1.	7	+		=	9
2.	11	+		=	12
3.	15	+		=	29
4.	10	+		=	18
5.	3	+		=	4
6.	3	+		=	4
7.	15	+		=	20
8.	9	+		=	10
9.	14	+		=	24
10.	10	+		=	11

Erbijsommen met vlekken tot en met 30
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	11	+	1	=	12
2.	6	+	3	=	9
3.	15	+	6	=	21
4.	14	+	12	=	26
5.	5	+	4	=	9
6.	5	+	5	=	10
7.	2	+	2	=	4
8.	7	+	1	=	8
9.	8	+	5	=	13
10.	15	+	11	=	26

Oefening 2
1.	10	+	7	=	17
2.	15	+	12	=	27
3.	14	+	8	=	22
4.	11	+	10	=	21
5.	10	+	9	=	19
6.	11	+	5	=	16
7.	14	+	11	=	25
8.	11	+	10	=	21
9.	14	+	12	=	26
10.	13	+	7	=	20

Oefening 3
1.	6	+	2	=	8
2.	9	+	6	=	15
3.	14	+	8	=	22
4.	6	+	2	=	8
5.	10	+	7	=	17
6.	8	+	3	=	11
7.	13	+	10	=	23
8.	9	+	6	=	15
9.	7	+	7	=	14
10.	11	+	4	=	15

Oefening 4
1.	7	+	2	=	9
2.	11	+	1	=	12
3.	15	+	14	=	29
4.	10	+	8	=	18
5.	3	+	1	=	4
6.	3	+	1	=	4
7.	15	+	5	=	20
8.	9	+	1	=	10
9.	14	+	10	=	24
10.	10	+	1	=	11