Erafsommen tot 40

Aftrekken

Oefening 1
1.	20	-	10	=
2.	33	-	8	=
3.	36	-	14	=
4.	38	-	28	=
5.	31	-	9	=
6.	9	-	2	=
7.	38	-	37	=
8.	28	-	4	=
9.	40	-	2	=
10.	25	-	13	=

Oefening 2
1.	9	-	4	=
2.	33	-	20	=
3.	21	-	18	=
4.	24	-	14	=
5.	34	-	31	=
6.	15	-	15	=
7.	27	-	13	=
8.	18	-	13	=
9.	37	-	29	=
10.	6	-	4	=

Oefening 3
1.	19	-	6	=
2.	26	-	18	=
3.	38	-	9	=
4.	34	-	14	=
5.	3	-	1	=
6.	30	-	18	=
7.	28	-	23	=
8.	30	-	24	=
9.	33	-	23	=
10.	15	-	7	=

Oefening 4
1.	12	-	2	=
2.	14	-	1	=
3.	17	-	12	=
4.	14	-	13	=
5.	34	-	6	=
6.	33	-	7	=
7.	29	-	10	=
8.	21	-	5	=
9.	22	-	10	=
10.	38	-	29	=

Erafsommen tot 40
| ANTWOORDEN

Aftrekken

Oefening 1
1.	20	-	10	=	10
2.	33	-	8	=	25
3.	36	-	14	=	22
4.	38	-	28	=	10
5.	31	-	9	=	22
6.	9	-	2	=	7
7.	38	-	37	=	1
8.	28	-	4	=	24
9.	40	-	2	=	38
10.	25	-	13	=	12

Oefening 2
1.	9	-	4	=	5
2.	33	-	20	=	13
3.	21	-	18	=	3
4.	24	-	14	=	10
5.	34	-	31	=	3
6.	15	-	15	=	0
7.	27	-	13	=	14
8.	18	-	13	=	5
9.	37	-	29	=	8
10.	6	-	4	=	2

Oefening 3
1.	19	-	6	=	13
2.	26	-	18	=	8
3.	38	-	9	=	29
4.	34	-	14	=	20
5.	3	-	1	=	2
6.	30	-	18	=	12
7.	28	-	23	=	5
8.	30	-	24	=	6
9.	33	-	23	=	10
10.	15	-	7	=	8

Oefening 4
1.	12	-	2	=	10
2.	14	-	1	=	13
3.	17	-	12	=	5
4.	14	-	13	=	1
5.	34	-	6	=	28
6.	33	-	7	=	26
7.	29	-	10	=	19
8.	21	-	5	=	16
9.	22	-	10	=	12
10.	38	-	29	=	9