Erafsommen tot 20

Erafsommen

Oefening 1
1.	18	-	11	=
2.	11	-	8	=
3.	14	-	4	=
4.	18	-	17	=
5.	17	-	3	=
6.	11	-	4	=
7.	16	-	5	=
8.	12	-	9	=
9.	15	-	3	=
10.	14	-	9	=

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

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

Oefening 4
1.	18	-	6	=
2.	15	-	6	=
3.	8	-	1	=
4.	20	-	18	=
5.	16	-	1	=
6.	17	-	14	=
7.	20	-	9	=
8.	15	-	2	=
9.	19	-	1	=
10.	11	-	1	=

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

Oefening 1
1.	18	-	11	=	7
2.	11	-	8	=	3
3.	14	-	4	=	10
4.	18	-	17	=	1
5.	17	-	3	=	14
6.	11	-	4	=	7
7.	16	-	5	=	11
8.	12	-	9	=	3
9.	15	-	3	=	12
10.	14	-	9	=	5

Oefening 2
1.	17	-	8	=	9
2.	14	-	7	=	7
3.	5	-	5	=	0
4.	15	-	1	=	14
5.	6	-	2	=	4
6.	16	-	7	=	9
7.	8	-	8	=	0
8.	5	-	1	=	4
9.	20	-	20	=	0
10.	19	-	3	=	16

Oefening 3
1.	17	-	14	=	3
2.	11	-	7	=	4
3.	12	-	6	=	6
4.	11	-	1	=	10
5.	12	-	1	=	11
6.	13	-	2	=	11
7.	16	-	16	=	0
8.	11	-	11	=	0
9.	12	-	2	=	10
10.	20	-	9	=	11

Oefening 4
1.	18	-	6	=	12
2.	15	-	6	=	9
3.	8	-	1	=	7
4.	20	-	18	=	2
5.	16	-	1	=	15
6.	17	-	14	=	3
7.	20	-	9	=	11
8.	15	-	2	=	13
9.	19	-	1	=	18
10.	11	-	1	=	10