Erbijsommen met vlekken tot en met 20

Erbijsommen

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

Oefening 2
1.	8	+		=	12
2.	8	+		=	10
3.	10	+		=	19
4.	5	+		=	7
5.	2	+		=	4
6.	10	+		=	14
7.	8	+		=	10
8.	7	+		=	13
9.	9	+		=	18
10.	9	+		=	17

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

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

Erbijsommen met vlekken tot en met 20
| ANTWOORDEN

Erbijsommen

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

Oefening 2
1.	8	+	4	=	12
2.	8	+	2	=	10
3.	10	+	9	=	19
4.	5	+	2	=	7
5.	2	+	2	=	4
6.	10	+	4	=	14
7.	8	+	2	=	10
8.	7	+	6	=	13
9.	9	+	9	=	18
10.	9	+	8	=	17

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

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