Erafsommen tot 40

Aftrekken

Oefening 1
1.	40	-	12	=
2.	34	-	16	=
3.	37	-	30	=
4.	25	-	8	=
5.	40	-	2	=
6.	36	-	3	=
7.	25	-	2	=
8.	20	-	3	=
9.	32	-	4	=
10.	36	-	14	=

Oefening 2
1.	40	-	40	=
2.	13	-	6	=
3.	38	-	3	=
4.	35	-	1	=
5.	26	-	20	=
6.	32	-	25	=
7.	29	-	17	=
8.	32	-	29	=
9.	29	-	1	=
10.	35	-	12	=

Oefening 3
1.	26	-	8	=
2.	27	-	22	=
3.	28	-	1	=
4.	32	-	17	=
5.	22	-	22	=
6.	35	-	7	=
7.	35	-	14	=
8.	28	-	5	=
9.	39	-	34	=
10.	15	-	8	=

Oefening 4
1.	31	-	5	=
2.	38	-	38	=
3.	10	-	7	=
4.	36	-	22	=
5.	38	-	10	=
6.	23	-	19	=
7.	19	-	10	=
8.	37	-	5	=
9.	34	-	24	=
10.	34	-	34	=

Erafsommen tot 40
| ANTWOORDEN

Aftrekken

Oefening 1
1.	40	-	12	=	28
2.	34	-	16	=	18
3.	37	-	30	=	7
4.	25	-	8	=	17
5.	40	-	2	=	38
6.	36	-	3	=	33
7.	25	-	2	=	23
8.	20	-	3	=	17
9.	32	-	4	=	28
10.	36	-	14	=	22

Oefening 2
1.	40	-	40	=	0
2.	13	-	6	=	7
3.	38	-	3	=	35
4.	35	-	1	=	34
5.	26	-	20	=	6
6.	32	-	25	=	7
7.	29	-	17	=	12
8.	32	-	29	=	3
9.	29	-	1	=	28
10.	35	-	12	=	23

Oefening 3
1.	26	-	8	=	18
2.	27	-	22	=	5
3.	28	-	1	=	27
4.	32	-	17	=	15
5.	22	-	22	=	0
6.	35	-	7	=	28
7.	35	-	14	=	21
8.	28	-	5	=	23
9.	39	-	34	=	5
10.	15	-	8	=	7

Oefening 4
1.	31	-	5	=	26
2.	38	-	38	=	0
3.	10	-	7	=	3
4.	36	-	22	=	14
5.	38	-	10	=	28
6.	23	-	19	=	4
7.	19	-	10	=	9
8.	37	-	5	=	32
9.	34	-	24	=	10
10.	34	-	34	=	0