Erbijsommen met vlekken tot en met 30

Erbijsommen

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

Oefening 2
1.	15	+		=	22
2.	14	+		=	15
3.	13	+		=	19
4.	15	+		=	16
5.	7	+		=	13
6.	13	+		=	19
7.	15	+		=	16
8.	15	+		=	28
9.	8	+		=	14
10.	11	+		=	14

Oefening 3
1.	15	+		=	20
2.	14	+		=	24
3.	11	+		=	15
4.	10	+		=	12
5.	10	+		=	11
6.	3	+		=	4
7.	15	+		=	21
8.	6	+		=	8
9.	14	+		=	22
10.	13	+		=	20

Oefening 4
1.	8	+		=	9
2.	3	+		=	5
3.	12	+		=	14
4.	13	+		=	26
5.	11	+		=	18
6.	12	+		=	23
7.	13	+		=	24
8.	14	+		=	17
9.	13	+		=	15
10.	11	+		=	21

Erbijsommen met vlekken tot en met 30
| ANTWOORDEN

Erbijsommen

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

Oefening 2
1.	15	+	7	=	22
2.	14	+	1	=	15
3.	13	+	6	=	19
4.	15	+	1	=	16
5.	7	+	6	=	13
6.	13	+	6	=	19
7.	15	+	1	=	16
8.	15	+	13	=	28
9.	8	+	6	=	14
10.	11	+	3	=	14

Oefening 3
1.	15	+	5	=	20
2.	14	+	10	=	24
3.	11	+	4	=	15
4.	10	+	2	=	12
5.	10	+	1	=	11
6.	3	+	1	=	4
7.	15	+	6	=	21
8.	6	+	2	=	8
9.	14	+	8	=	22
10.	13	+	7	=	20

Oefening 4
1.	8	+	1	=	9
2.	3	+	2	=	5
3.	12	+	2	=	14
4.	13	+	13	=	26
5.	11	+	7	=	18
6.	12	+	11	=	23
7.	13	+	11	=	24
8.	14	+	3	=	17
9.	13	+	2	=	15
10.	11	+	10	=	21