Erafsommen tot 30

Erafsommen

Oefening 1
1.	30	-	20	=
2.	29	-	26	=
3.	28	-	15	=
4.	7	-	6	=
5.	28	-	12	=
6.	26	-	13	=
7.	24	-	4	=
8.	21	-	20	=
9.	17	-	10	=
10.	11	-	11	=

Oefening 2
1.	28	-	13	=
2.	30	-	18	=
3.	15	-	14	=
4.	30	-	17	=
5.	15	-	14	=
6.	11	-	2	=
7.	11	-	3	=
8.	27	-	3	=
9.	23	-	22	=
10.	20	-	3	=

Oefening 3
1.	25	-	9	=
2.	25	-	6	=
3.	16	-	2	=
4.	19	-	1	=
5.	16	-	13	=
6.	22	-	11	=
7.	22	-	19	=
8.	25	-	2	=
9.	20	-	9	=
10.	28	-	16	=

Oefening 4
1.	6	-	4	=
2.	28	-	21	=
3.	19	-	3	=
4.	21	-	13	=
5.	9	-	8	=
6.	24	-	1	=
7.	22	-	16	=
8.	14	-	11	=
9.	27	-	25	=
10.	13	-	12	=

Erafsommen tot 30
| ANTWOORDEN

Erafsommen

Oefening 1
1.	30	-	20	=	10
2.	29	-	26	=	3
3.	28	-	15	=	13
4.	7	-	6	=	1
5.	28	-	12	=	16
6.	26	-	13	=	13
7.	24	-	4	=	20
8.	21	-	20	=	1
9.	17	-	10	=	7
10.	11	-	11	=	0

Oefening 2
1.	28	-	13	=	15
2.	30	-	18	=	12
3.	15	-	14	=	1
4.	30	-	17	=	13
5.	15	-	14	=	1
6.	11	-	2	=	9
7.	11	-	3	=	8
8.	27	-	3	=	24
9.	23	-	22	=	1
10.	20	-	3	=	17

Oefening 3
1.	25	-	9	=	16
2.	25	-	6	=	19
3.	16	-	2	=	14
4.	19	-	1	=	18
5.	16	-	13	=	3
6.	22	-	11	=	11
7.	22	-	19	=	3
8.	25	-	2	=	23
9.	20	-	9	=	11
10.	28	-	16	=	12

Oefening 4
1.	6	-	4	=	2
2.	28	-	21	=	7
3.	19	-	3	=	16
4.	21	-	13	=	8
5.	9	-	8	=	1
6.	24	-	1	=	23
7.	22	-	16	=	6
8.	14	-	11	=	3
9.	27	-	25	=	2
10.	13	-	12	=	1