Erafsommen tot 40

Erafsommen

Oefening 1
1.	30	-	29	=
2.	9	-	7	=
3.	16	-	3	=
4.	39	-	27	=
5.	20	-	10	=
6.	27	-	20	=
7.	31	-	29	=
8.	31	-	30	=
9.	32	-	32	=
10.	14	-	12	=

Oefening 2
1.	19	-	1	=
2.	19	-	14	=
3.	29	-	16	=
4.	40	-	29	=
5.	30	-	25	=
6.	10	-	1	=
7.	18	-	18	=
8.	38	-	21	=
9.	18	-	9	=
10.	40	-	31	=

Oefening 3
1.	34	-	7	=
2.	33	-	18	=
3.	40	-	31	=
4.	12	-	7	=
5.	35	-	23	=
6.	37	-	30	=
7.	9	-	9	=
8.	38	-	28	=
9.	39	-	39	=
10.	30	-	28	=

Oefening 4
1.	34	-	21	=
2.	31	-	18	=
3.	16	-	2	=
4.	35	-	4	=
5.	39	-	3	=
6.	9	-	4	=
7.	36	-	32	=
8.	38	-	27	=
9.	34	-	14	=
10.	35	-	18	=

Erafsommen tot 40
| ANTWOORDEN

Erafsommen

Oefening 1
1.	30	-	29	=	1
2.	9	-	7	=	2
3.	16	-	3	=	13
4.	39	-	27	=	12
5.	20	-	10	=	10
6.	27	-	20	=	7
7.	31	-	29	=	2
8.	31	-	30	=	1
9.	32	-	32	=	0
10.	14	-	12	=	2

Oefening 2
1.	19	-	1	=	18
2.	19	-	14	=	5
3.	29	-	16	=	13
4.	40	-	29	=	11
5.	30	-	25	=	5
6.	10	-	1	=	9
7.	18	-	18	=	0
8.	38	-	21	=	17
9.	18	-	9	=	9
10.	40	-	31	=	9

Oefening 3
1.	34	-	7	=	27
2.	33	-	18	=	15
3.	40	-	31	=	9
4.	12	-	7	=	5
5.	35	-	23	=	12
6.	37	-	30	=	7
7.	9	-	9	=	0
8.	38	-	28	=	10
9.	39	-	39	=	0
10.	30	-	28	=	2

Oefening 4
1.	34	-	21	=	13
2.	31	-	18	=	13
3.	16	-	2	=	14
4.	35	-	4	=	31
5.	39	-	3	=	36
6.	9	-	4	=	5
7.	36	-	32	=	4
8.	38	-	27	=	11
9.	34	-	14	=	20
10.	35	-	18	=	17