Erbijsommen met vlekken tot en met 100

Erbijsommen

Oefening 1
1.	33	+		=	66
2.	20	+		=	40
3.	50	+		=	89
4.	32	+		=	45
5.	50	+		=	97
6.	37	+		=	50
7.	37	+		=	57
8.	33	+		=	48
9.	21	+		=	32
10.	45	+		=	80

Oefening 2
1.	30	+		=	59
2.	46	+		=	92
3.	30	+		=	56
4.	24	+		=	47
5.	41	+		=	80
6.	38	+		=	56
7.	30	+		=	49
8.	50	+		=	71
9.	50	+		=	97
10.	33	+		=	58

Oefening 3
1.	41	+		=	53
2.	43	+		=	57
3.	37	+		=	56
4.	45	+		=	81
5.	34	+		=	62
6.	13	+		=	25
7.	30	+		=	42
8.	35	+		=	53
9.	15	+		=	28
10.	32	+		=	58

Oefening 4
1.	14	+		=	25
2.	38	+		=	74
3.	41	+		=	78
4.	15	+		=	25
5.	21	+		=	38
6.	21	+		=	36
7.	15	+		=	27
8.	48	+		=	84
9.	48	+		=	60
10.	47	+		=	93

Erbijsommen met vlekken tot en met 100
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	33	+	33	=	66
2.	20	+	20	=	40
3.	50	+	39	=	89
4.	32	+	13	=	45
5.	50	+	47	=	97
6.	37	+	13	=	50
7.	37	+	20	=	57
8.	33	+	15	=	48
9.	21	+	11	=	32
10.	45	+	35	=	80

Oefening 2
1.	30	+	29	=	59
2.	46	+	46	=	92
3.	30	+	26	=	56
4.	24	+	23	=	47
5.	41	+	39	=	80
6.	38	+	18	=	56
7.	30	+	19	=	49
8.	50	+	21	=	71
9.	50	+	47	=	97
10.	33	+	25	=	58

Oefening 3
1.	41	+	12	=	53
2.	43	+	14	=	57
3.	37	+	19	=	56
4.	45	+	36	=	81
5.	34	+	28	=	62
6.	13	+	12	=	25
7.	30	+	12	=	42
8.	35	+	18	=	53
9.	15	+	13	=	28
10.	32	+	26	=	58

Oefening 4
1.	14	+	11	=	25
2.	38	+	36	=	74
3.	41	+	37	=	78
4.	15	+	10	=	25
5.	21	+	17	=	38
6.	21	+	15	=	36
7.	15	+	12	=	27
8.	48	+	36	=	84
9.	48	+	12	=	60
10.	47	+	46	=	93