Erafsommen tot 20

Erafsommen

Oefening 1
1.	16	-	3	=
2.	17	-	8	=
3.	15	-	8	=
4.	19	-	3	=
5.	16	-	10	=
6.	7	-	3	=
7.	17	-	14	=
8.	13	-	12	=
9.	18	-	14	=
10.	6	-	3	=

Oefening 2
1.	19	-	12	=
2.	18	-	2	=
3.	19	-	13	=
4.	17	-	6	=
5.	9	-	5	=
6.	2	-	1	=
7.	14	-	1	=
8.	20	-	15	=
9.	2	-	2	=
10.	6	-	3	=

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

Oefening 1
1.	16	-	3	=	13
2.	17	-	8	=	9
3.	15	-	8	=	7
4.	19	-	3	=	16
5.	16	-	10	=	6
6.	7	-	3	=	4
7.	17	-	14	=	3
8.	13	-	12	=	1
9.	18	-	14	=	4
10.	6	-	3	=	3

Oefening 2
1.	19	-	12	=	7
2.	18	-	2	=	16
3.	19	-	13	=	6
4.	17	-	6	=	11
5.	9	-	5	=	4
6.	2	-	1	=	1
7.	14	-	1	=	13
8.	20	-	15	=	5
9.	2	-	2	=	0
10.	6	-	3	=	3

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

Oefening 4
1.	20	-	5	=	15
2.	13	-	2	=	11
3.	10	-	6	=	4
4.	17	-	17	=	0
5.	4	-	4	=	0
6.	10	-	6	=	4
7.	19	-	8	=	11
8.	20	-	4	=	16
9.	3	-	2	=	1
10.	16	-	3	=	13