Erafsommen tot 20

Erafsommen

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

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

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

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

Oefening 2
1.	3	-	3	=	0
2.	17	-	10	=	7
3.	18	-	18	=	0
4.	19	-	8	=	11
5.	17	-	12	=	5
6.	12	-	12	=	0
7.	19	-	3	=	16
8.	19	-	9	=	10
9.	9	-	7	=	2
10.	17	-	8	=	9

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

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