Erafsommen tot 20

Erafsommen

Oefening 1
1.	16	-	12	=
2.	20	-	12	=
3.	19	-	11	=
4.	11	-	10	=
5.	8	-	4	=
6.	13	-	7	=
7.	10	-	5	=
8.	9	-	7	=
9.	9	-	8	=
10.	17	-	3	=

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

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

Oefening 1
1.	16	-	12	=	4
2.	20	-	12	=	8
3.	19	-	11	=	8
4.	11	-	10	=	1
5.	8	-	4	=	4
6.	13	-	7	=	6
7.	10	-	5	=	5
8.	9	-	7	=	2
9.	9	-	8	=	1
10.	17	-	3	=	14

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

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

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