Erbijsommen met vlekken tot en met 30

Erbijsommen

Oefening 1
1.	8	+		=	15
2.	13	+		=	26
3.	13	+		=	23
4.	5	+		=	8
5.	15	+		=	16
6.	9	+		=	15
7.	11	+		=	18
8.	5	+		=	8
9.	9	+		=	16
10.	9	+		=	13

Oefening 2
1.	12	+		=	14
2.	8	+		=	9
3.	2	+		=	3
4.	15	+		=	28
5.	15	+		=	25
6.	12	+		=	18
7.	9	+		=	10
8.	4	+		=	8
9.	13	+		=	22
10.	3	+		=	4

Oefening 3
1.	9	+		=	16
2.	13	+		=	20
3.	7	+		=	10
4.	14	+		=	26
5.	14	+		=	24
6.	7	+		=	9
7.	15	+		=	24
8.	4	+		=	5
9.	11	+		=	18
10.	8	+		=	13

Oefening 4
1.	13	+		=	16
2.	15	+		=	16
3.	11	+		=	13
4.	14	+		=	19
5.	15	+		=	25
6.	12	+		=	13
7.	13	+		=	18
8.	13	+		=	21
9.	6	+		=	7
10.	13	+		=	20

Erbijsommen met vlekken tot en met 30
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	8	+	7	=	15
2.	13	+	13	=	26
3.	13	+	10	=	23
4.	5	+	3	=	8
5.	15	+	1	=	16
6.	9	+	6	=	15
7.	11	+	7	=	18
8.	5	+	3	=	8
9.	9	+	7	=	16
10.	9	+	4	=	13

Oefening 2
1.	12	+	2	=	14
2.	8	+	1	=	9
3.	2	+	1	=	3
4.	15	+	13	=	28
5.	15	+	10	=	25
6.	12	+	6	=	18
7.	9	+	1	=	10
8.	4	+	4	=	8
9.	13	+	9	=	22
10.	3	+	1	=	4

Oefening 3
1.	9	+	7	=	16
2.	13	+	7	=	20
3.	7	+	3	=	10
4.	14	+	12	=	26
5.	14	+	10	=	24
6.	7	+	2	=	9
7.	15	+	9	=	24
8.	4	+	1	=	5
9.	11	+	7	=	18
10.	8	+	5	=	13

Oefening 4
1.	13	+	3	=	16
2.	15	+	1	=	16
3.	11	+	2	=	13
4.	14	+	5	=	19
5.	15	+	10	=	25
6.	12	+	1	=	13
7.	13	+	5	=	18
8.	13	+	8	=	21
9.	6	+	1	=	7
10.	13	+	7	=	20