Erafsommen tot 20

Erafsommen

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

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

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

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

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

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

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