Erafsommen tot 50

Aftrekken

Oefening 1
1.	21	-	20	=
2.	50	-	39	=
3.	46	-	27	=
4.	23	-	14	=
5.	40	-	8	=
6.	25	-	21	=
7.	38	-	31	=
8.	18	-	8	=
9.	33	-	13	=
10.	49	-	15	=

Oefening 2
1.	45	-	45	=
2.	43	-	20	=
3.	25	-	23	=
4.	23	-	11	=
5.	35	-	29	=
6.	25	-	10	=
7.	44	-	23	=
8.	42	-	38	=
9.	15	-	7	=
10.	36	-	11	=

Oefening 3
1.	46	-	46	=
2.	40	-	29	=
3.	38	-	37	=
4.	39	-	30	=
5.	39	-	38	=
6.	19	-	15	=
7.	28	-	16	=
8.	42	-	15	=
9.	43	-	27	=
10.	46	-	25	=

Oefening 4
1.	45	-	14	=
2.	45	-	9	=
3.	22	-	11	=
4.	44	-	21	=
5.	19	-	19	=
6.	46	-	44	=
7.	8	-	8	=
8.	43	-	24	=
9.	45	-	12	=
10.	38	-	29	=

Erafsommen tot 50
| ANTWOORDEN

Aftrekken

Oefening 1
1.	21	-	20	=	1
2.	50	-	39	=	11
3.	46	-	27	=	19
4.	23	-	14	=	9
5.	40	-	8	=	32
6.	25	-	21	=	4
7.	38	-	31	=	7
8.	18	-	8	=	10
9.	33	-	13	=	20
10.	49	-	15	=	34

Oefening 2
1.	45	-	45	=	0
2.	43	-	20	=	23
3.	25	-	23	=	2
4.	23	-	11	=	12
5.	35	-	29	=	6
6.	25	-	10	=	15
7.	44	-	23	=	21
8.	42	-	38	=	4
9.	15	-	7	=	8
10.	36	-	11	=	25

Oefening 3
1.	46	-	46	=	0
2.	40	-	29	=	11
3.	38	-	37	=	1
4.	39	-	30	=	9
5.	39	-	38	=	1
6.	19	-	15	=	4
7.	28	-	16	=	12
8.	42	-	15	=	27
9.	43	-	27	=	16
10.	46	-	25	=	21

Oefening 4
1.	45	-	14	=	31
2.	45	-	9	=	36
3.	22	-	11	=	11
4.	44	-	21	=	23
5.	19	-	19	=	0
6.	46	-	44	=	2
7.	8	-	8	=	0
8.	43	-	24	=	19
9.	45	-	12	=	33
10.	38	-	29	=	9