Erafsommen tot 20

Erafsommen

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

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

Oefening 3
1.	13	-	12	=
2.	18	-	9	=
3.	15	-	4	=
4.	16	-	15	=
5.	13	-	11	=
6.	12	-	8	=
7.	7	-	5	=
8.	6	-	4	=
9.	9	-	5	=
10.	10	-	9	=

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

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

Oefening 2
1.	20	-	15	=	5
2.	7	-	1	=	6
3.	14	-	9	=	5
4.	19	-	12	=	7
5.	19	-	1	=	18
6.	17	-	2	=	15
7.	14	-	6	=	8
8.	19	-	10	=	9
9.	17	-	1	=	16
10.	6	-	3	=	3

Oefening 3
1.	13	-	12	=	1
2.	18	-	9	=	9
3.	15	-	4	=	11
4.	16	-	15	=	1
5.	13	-	11	=	2
6.	12	-	8	=	4
7.	7	-	5	=	2
8.	6	-	4	=	2
9.	9	-	5	=	4
10.	10	-	9	=	1

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