Erafsommen met vlekken tot en met 20

Erafsommen

Oefening 1
1.	14	-		=	2
2.	19	-		=	11
3.	15	-		=	6
4.	8	-		=	7
5.	16	-		=	15
6.	12	-		=	9
7.	12	-		=	9
8.	20	-		=	8
9.	6	-		=	2
10.	15	-		=	3

Oefening 2
1.	10	-		=	7
2.	19	-		=	3
3.	8	-		=	5
4.	18	-		=	3
5.	9	-		=	2
6.	7	-		=	3
7.	20	-		=	16
8.	13	-		=	3
9.	17	-		=	4
10.	18	-		=	10

Oefening 3
1.	4	-		=	1
2.	18	-		=	4
3.	11	-		=	7
4.	20	-		=	8
5.	19	-		=	15
6.	8	-		=	3
7.	10	-		=	2
8.	17	-		=	12
9.	19	-		=	16
10.	5	-		=	2

Oefening 4
1.	16	-		=	10
2.	7	-		=	3
3.	17	-		=	8
4.	10	-		=	3
5.	20	-		=	2
6.	20	-		=	11
7.	17	-		=	2
8.	14	-		=	0
9.	17	-		=	5
10.	1	-		=	0

Erafsommen met vlekken tot en met 20
| ANTWOORDEN

Erafsommen

Oefening 1
1.	14	-	12	=	2
2.	19	-	8	=	11
3.	15	-	9	=	6
4.	8	-	1	=	7
5.	16	-	1	=	15
6.	12	-	3	=	9
7.	12	-	3	=	9
8.	20	-	12	=	8
9.	6	-	4	=	2
10.	15	-	12	=	3

Oefening 2
1.	10	-	3	=	7
2.	19	-	16	=	3
3.	8	-	3	=	5
4.	18	-	15	=	3
5.	9	-	7	=	2
6.	7	-	4	=	3
7.	20	-	4	=	16
8.	13	-	10	=	3
9.	17	-	13	=	4
10.	18	-	8	=	10

Oefening 3
1.	4	-	3	=	1
2.	18	-	14	=	4
3.	11	-	4	=	7
4.	20	-	12	=	8
5.	19	-	4	=	15
6.	8	-	5	=	3
7.	10	-	8	=	2
8.	17	-	5	=	12
9.	19	-	3	=	16
10.	5	-	3	=	2

Oefening 4
1.	16	-	6	=	10
2.	7	-	4	=	3
3.	17	-	9	=	8
4.	10	-	7	=	3
5.	20	-	18	=	2
6.	20	-	9	=	11
7.	17	-	15	=	2
8.	14	-	14	=	0
9.	17	-	12	=	5
10.	1	-	1	=	0