Erafsommen tot 20

Erafsommen

Oefening 1
1.	7	-	5	=
2.	10	-	1	=
3.	9	-	4	=
4.	7	-	4	=
5.	5	-	2	=
6.	8	-	6	=
7.	13	-	8	=
8.	13	-	8	=
9.	7	-	2	=
10.	2	-	2	=

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

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

Oefening 1
1.	7	-	5	=	2
2.	10	-	1	=	9
3.	9	-	4	=	5
4.	7	-	4	=	3
5.	5	-	2	=	3
6.	8	-	6	=	2
7.	13	-	8	=	5
8.	13	-	8	=	5
9.	7	-	2	=	5
10.	2	-	2	=	0

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

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

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