Erbijsommen met vlekken tot en met 30

Erbijsommen

Oefening 1
1.	15	+		=	26
2.	15	+		=	22
3.	15	+		=	21
4.	9	+		=	13
5.	7	+		=	9
6.	6	+		=	12
7.	13	+		=	25
8.	10	+		=	13
9.	8	+		=	12
10.	10	+		=	14

Oefening 2
1.	3	+		=	4
2.	3	+		=	4
3.	13	+		=	14
4.	7	+		=	11
5.	5	+		=	10
6.	10	+		=	18
7.	14	+		=	28
8.	12	+		=	19
9.	9	+		=	12
10.	14	+		=	20

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

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

Erbijsommen met vlekken tot en met 30
| ANTWOORDEN

Erbijsommen

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

Oefening 2
1.	3	+	1	=	4
2.	3	+	1	=	4
3.	13	+	1	=	14
4.	7	+	4	=	11
5.	5	+	5	=	10
6.	10	+	8	=	18
7.	14	+	14	=	28
8.	12	+	7	=	19
9.	9	+	3	=	12
10.	14	+	6	=	20

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

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