Erafsommen tot 20

Erafsommen

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

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

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

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

Oefening 2
1.	10	-	9	=	1
2.	8	-	5	=	3
3.	12	-	12	=	0
4.	18	-	12	=	6
5.	14	-	8	=	6
6.	7	-	7	=	0
7.	10	-	7	=	3
8.	15	-	9	=	6
9.	17	-	13	=	4
10.	15	-	14	=	1

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

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