Erafsommen tot 40

Aftrekken

Oefening 1
1.	31	-	29	=
2.	28	-	27	=
3.	34	-	25	=
4.	33	-	18	=
5.	37	-	18	=
6.	31	-	4	=
7.	21	-	6	=
8.	10	-	5	=
9.	18	-	15	=
10.	40	-	25	=

Oefening 2
1.	38	-	29	=
2.	33	-	1	=
3.	30	-	5	=
4.	32	-	20	=
5.	31	-	3	=
6.	38	-	36	=
7.	35	-	28	=
8.	28	-	6	=
9.	34	-	1	=
10.	24	-	22	=

Oefening 3
1.	25	-	7	=
2.	38	-	19	=
3.	25	-	10	=
4.	22	-	17	=
5.	20	-	14	=
6.	16	-	1	=
7.	40	-	18	=
8.	24	-	2	=
9.	26	-	11	=
10.	38	-	7	=

Oefening 4
1.	30	-	30	=
2.	29	-	1	=
3.	32	-	27	=
4.	10	-	2	=
5.	26	-	10	=
6.	7	-	4	=
7.	40	-	31	=
8.	15	-	8	=
9.	16	-	4	=
10.	34	-	10	=

Erafsommen tot 40
| ANTWOORDEN

Aftrekken

Oefening 1
1.	31	-	29	=	2
2.	28	-	27	=	1
3.	34	-	25	=	9
4.	33	-	18	=	15
5.	37	-	18	=	19
6.	31	-	4	=	27
7.	21	-	6	=	15
8.	10	-	5	=	5
9.	18	-	15	=	3
10.	40	-	25	=	15

Oefening 2
1.	38	-	29	=	9
2.	33	-	1	=	32
3.	30	-	5	=	25
4.	32	-	20	=	12
5.	31	-	3	=	28
6.	38	-	36	=	2
7.	35	-	28	=	7
8.	28	-	6	=	22
9.	34	-	1	=	33
10.	24	-	22	=	2

Oefening 3
1.	25	-	7	=	18
2.	38	-	19	=	19
3.	25	-	10	=	15
4.	22	-	17	=	5
5.	20	-	14	=	6
6.	16	-	1	=	15
7.	40	-	18	=	22
8.	24	-	2	=	22
9.	26	-	11	=	15
10.	38	-	7	=	31

Oefening 4
1.	30	-	30	=	0
2.	29	-	1	=	28
3.	32	-	27	=	5
4.	10	-	2	=	8
5.	26	-	10	=	16
6.	7	-	4	=	3
7.	40	-	31	=	9
8.	15	-	8	=	7
9.	16	-	4	=	12
10.	34	-	10	=	24