Erafsommen tot 20

Erafsommen

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

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

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

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

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

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

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