Erafsommen tot 20

Erafsommen

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

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

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

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

Erafsommen tot 20
| ANTWOORDEN

Erafsommen

Oefening 1
1.	12	-	4	=	8
2.	20	-	7	=	13
3.	15	-	14	=	1
4.	1	-	1	=	0
5.	7	-	5	=	2
6.	18	-	8	=	10
7.	20	-	18	=	2
8.	15	-	11	=	4
9.	11	-	5	=	6
10.	20	-	15	=	5

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

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

Oefening 4
1.	6	-	4	=	2
2.	15	-	14	=	1
3.	19	-	13	=	6
4.	17	-	5	=	12
5.	13	-	11	=	2
6.	20	-	15	=	5
7.	12	-	11	=	1
8.	17	-	17	=	0
9.	3	-	2	=	1
10.	5	-	4	=	1