Tientallen min tientallen tot aan het tiental

Erafsommen

Oefening 1
1.	72 - 52 =
2.	85 - 85 =
3.	41 - 21 =
4.	68 - 18 =
5.	84 - 64 =
6.	73 - 63 =
7.	81 - 41 =
8.	86 - 86 =
9.	75 - 35 =
10.	68 - 38 =

Oefening 2
1.	27 - 27 =
2.	78 - 38 =
3.	23 - 23 =
4.	62 - 42 =
5.	47 - 17 =
6.	38 - 28 =
7.	13 - 13 =
8.	16 - 16 =
9.	76 - 66 =
10.	65 - 35 =

Oefening 3
1.	46 - 26 =
2.	11 - 11 =
3.	38 - 28 =
4.	48 - 18 =
5.	38 - 38 =
6.	81 - 31 =
7.	64 - 64 =
8.	11 - 11 =
9.	72 - 32 =
10.	32 - 12 =

Oefening 4
1.	62 - 12 =
2.	13 - 13 =
3.	88 - 88 =
4.	71 - 21 =
5.	43 - 43 =
6.	67 - 17 =
7.	74 - 44 =
8.	44 - 24 =
9.	85 - 65 =
10.	83 - 53 =

Tientallen min tientallen tot aan het tiental
| ANTWOORDEN

Erafsommen

Oefening 1
1.	72 - 52 =	20
2.	85 - 85 =	0
3.	41 - 21 =	20
4.	68 - 18 =	50
5.	84 - 64 =	20
6.	73 - 63 =	10
7.	81 - 41 =	40
8.	86 - 86 =	0
9.	75 - 35 =	40
10.	68 - 38 =	30

Oefening 2
1.	27 - 27 =	0
2.	78 - 38 =	40
3.	23 - 23 =	0
4.	62 - 42 =	20
5.	47 - 17 =	30
6.	38 - 28 =	10
7.	13 - 13 =	0
8.	16 - 16 =	0
9.	76 - 66 =	10
10.	65 - 35 =	30

Oefening 3
1.	46 - 26 =	20
2.	11 - 11 =	0
3.	38 - 28 =	10
4.	48 - 18 =	30
5.	38 - 38 =	0
6.	81 - 31 =	50
7.	64 - 64 =	0
8.	11 - 11 =	0
9.	72 - 32 =	40
10.	32 - 12 =	20

Oefening 4
1.	62 - 12 =	50
2.	13 - 13 =	0
3.	88 - 88 =	0
4.	71 - 21 =	50
5.	43 - 43 =	0
6.	67 - 17 =	50
7.	74 - 44 =	30
8.	44 - 24 =	20
9.	85 - 65 =	20
10.	83 - 53 =	30