Erbijsommen met vlekken tot en met 30

Erbijsommen

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

Oefening 2
1.	11	+		=	17
2.	12	+		=	22
3.	7	+		=	12
4.	15	+		=	20
5.	5	+		=	8
6.	14	+		=	16
7.	7	+		=	14
8.	15	+		=	19
9.	13	+		=	24
10.	12	+		=	21

Oefening 3
1.	4	+		=	6
2.	8	+		=	13
3.	15	+		=	25
4.	6	+		=	11
5.	8	+		=	15
6.	15	+		=	22
7.	6	+		=	12
8.	9	+		=	17
9.	9	+		=	12
10.	8	+		=	15

Oefening 4
1.	14	+		=	21
2.	8	+		=	15
3.	15	+		=	29
4.	7	+		=	8
5.	10	+		=	14
6.	4	+		=	7
7.	10	+		=	19
8.	12	+		=	15
9.	15	+		=	23
10.	6	+		=	11

Erbijsommen met vlekken tot en met 30
| ANTWOORDEN

Erbijsommen

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

Oefening 2
1.	11	+	6	=	17
2.	12	+	10	=	22
3.	7	+	5	=	12
4.	15	+	5	=	20
5.	5	+	3	=	8
6.	14	+	2	=	16
7.	7	+	7	=	14
8.	15	+	4	=	19
9.	13	+	11	=	24
10.	12	+	9	=	21

Oefening 3
1.	4	+	2	=	6
2.	8	+	5	=	13
3.	15	+	10	=	25
4.	6	+	5	=	11
5.	8	+	7	=	15
6.	15	+	7	=	22
7.	6	+	6	=	12
8.	9	+	8	=	17
9.	9	+	3	=	12
10.	8	+	7	=	15

Oefening 4
1.	14	+	7	=	21
2.	8	+	7	=	15
3.	15	+	14	=	29
4.	7	+	1	=	8
5.	10	+	4	=	14
6.	4	+	3	=	7
7.	10	+	9	=	19
8.	12	+	3	=	15
9.	15	+	8	=	23
10.	6	+	5	=	11