Erafsommen met vlekken tot en met 20

Erafsommen

Oefening 1
1.	20	-		=	18
2.	19	-		=	8
3.	5	-		=	1
4.	17	-		=	4
5.	5	-		=	4
6.	17	-		=	12
7.	17	-		=	0
8.	8	-		=	4
9.	12	-		=	7
10.	18	-		=	13

Oefening 2
1.	12	-		=	6
2.	13	-		=	11
3.	14	-		=	10
4.	14	-		=	0
5.	20	-		=	18
6.	13	-		=	7
7.	16	-		=	9
8.	9	-		=	2
9.	19	-		=	13
10.	15	-		=	13

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

Oefening 4
1.	17	-		=	6
2.	20	-		=	17
3.	18	-		=	17
4.	19	-		=	6
5.	13	-		=	4
6.	12	-		=	11
7.	5	-		=	1
8.	10	-		=	8
9.	9	-		=	7
10.	11	-		=	4

Erafsommen met vlekken tot en met 20
| ANTWOORDEN

Erafsommen

Oefening 1
1.	20	-	2	=	18
2.	19	-	11	=	8
3.	5	-	4	=	1
4.	17	-	13	=	4
5.	5	-	1	=	4
6.	17	-	5	=	12
7.	17	-	17	=	0
8.	8	-	4	=	4
9.	12	-	5	=	7
10.	18	-	5	=	13

Oefening 2
1.	12	-	6	=	6
2.	13	-	2	=	11
3.	14	-	4	=	10
4.	14	-	14	=	0
5.	20	-	2	=	18
6.	13	-	6	=	7
7.	16	-	7	=	9
8.	9	-	7	=	2
9.	19	-	6	=	13
10.	15	-	2	=	13

Oefening 3
1.	20	-	18	=	2
2.	20	-	8	=	12
3.	20	-	15	=	5
4.	8	-	4	=	4
5.	11	-	8	=	3
6.	20	-	6	=	14
7.	11	-	8	=	3
8.	17	-	13	=	4
9.	17	-	14	=	3
10.	10	-	2	=	8

Oefening 4
1.	17	-	11	=	6
2.	20	-	3	=	17
3.	18	-	1	=	17
4.	19	-	13	=	6
5.	13	-	9	=	4
6.	12	-	1	=	11
7.	5	-	4	=	1
8.	10	-	2	=	8
9.	9	-	2	=	7
10.	11	-	7	=	4