Erafsommen tot 40

Aftrekken

Oefening 1
1.	28	-	2	=
2.	40	-	16	=
3.	26	-	17	=
4.	22	-	5	=
5.	28	-	12	=
6.	30	-	17	=
7.	23	-	4	=
8.	29	-	10	=
9.	20	-	19	=
10.	27	-	22	=

Oefening 2
1.	24	-	3	=
2.	21	-	21	=
3.	20	-	20	=
4.	22	-	11	=
5.	35	-	2	=
6.	28	-	19	=
7.	31	-	2	=
8.	26	-	14	=
9.	40	-	19	=
10.	38	-	5	=

Oefening 3
1.	37	-	31	=
2.	28	-	25	=
3.	35	-	8	=
4.	39	-	29	=
5.	31	-	18	=
6.	39	-	16	=
7.	11	-	11	=
8.	25	-	21	=
9.	26	-	15	=
10.	39	-	18	=

Oefening 4
1.	39	-	30	=
2.	40	-	37	=
3.	32	-	27	=
4.	40	-	26	=
5.	17	-	4	=
6.	28	-	6	=
7.	38	-	37	=
8.	28	-	25	=
9.	39	-	19	=
10.	13	-	10	=

Erafsommen tot 40
| ANTWOORDEN

Aftrekken

Oefening 1
1.	28	-	2	=	26
2.	40	-	16	=	24
3.	26	-	17	=	9
4.	22	-	5	=	17
5.	28	-	12	=	16
6.	30	-	17	=	13
7.	23	-	4	=	19
8.	29	-	10	=	19
9.	20	-	19	=	1
10.	27	-	22	=	5

Oefening 2
1.	24	-	3	=	21
2.	21	-	21	=	0
3.	20	-	20	=	0
4.	22	-	11	=	11
5.	35	-	2	=	33
6.	28	-	19	=	9
7.	31	-	2	=	29
8.	26	-	14	=	12
9.	40	-	19	=	21
10.	38	-	5	=	33

Oefening 3
1.	37	-	31	=	6
2.	28	-	25	=	3
3.	35	-	8	=	27
4.	39	-	29	=	10
5.	31	-	18	=	13
6.	39	-	16	=	23
7.	11	-	11	=	0
8.	25	-	21	=	4
9.	26	-	15	=	11
10.	39	-	18	=	21

Oefening 4
1.	39	-	30	=	9
2.	40	-	37	=	3
3.	32	-	27	=	5
4.	40	-	26	=	14
5.	17	-	4	=	13
6.	28	-	6	=	22
7.	38	-	37	=	1
8.	28	-	25	=	3
9.	39	-	19	=	20
10.	13	-	10	=	3