Erafsommen tot 20

Erafsommen

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

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

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

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

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

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

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