Erafsommen tot 20

Erafsommen

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

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

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

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

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

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

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