Erbijsommen met vlekken tot en met 100

Erbijsommen

Oefening 1
1.	37	+		=	57
2.	50	+		=	98
3.	23	+		=	40
4.	17	+		=	27
5.	47	+		=	60
6.	45	+		=	61
7.	31	+		=	55
8.	31	+		=	42
9.	33	+		=	60
10.	48	+		=	63

Oefening 2
1.	46	+		=	56
2.	44	+		=	84
3.	35	+		=	51
4.	21	+		=	36
5.	20	+		=	30
6.	34	+		=	49
7.	21	+		=	35
8.	19	+		=	35
9.	25	+		=	40
10.	45	+		=	86

Oefening 3
1.	47	+		=	62
2.	47	+		=	76
3.	25	+		=	48
4.	46	+		=	79
5.	39	+		=	58
6.	24	+		=	47
7.	47	+		=	88
8.	23	+		=	38
9.	32	+		=	49
10.	42	+		=	79

Oefening 4
1.	47	+		=	84
2.	48	+		=	94
3.	35	+		=	46
4.	40	+		=	78
5.	22	+		=	39
6.	49	+		=	86
7.	22	+		=	44
8.	45	+		=	90
9.	44	+		=	75
10.	45	+		=	75

Erbijsommen met vlekken tot en met 100
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	37	+	20	=	57
2.	50	+	48	=	98
3.	23	+	17	=	40
4.	17	+	10	=	27
5.	47	+	13	=	60
6.	45	+	16	=	61
7.	31	+	24	=	55
8.	31	+	11	=	42
9.	33	+	27	=	60
10.	48	+	15	=	63

Oefening 2
1.	46	+	10	=	56
2.	44	+	40	=	84
3.	35	+	16	=	51
4.	21	+	15	=	36
5.	20	+	10	=	30
6.	34	+	15	=	49
7.	21	+	14	=	35
8.	19	+	16	=	35
9.	25	+	15	=	40
10.	45	+	41	=	86

Oefening 3
1.	47	+	15	=	62
2.	47	+	29	=	76
3.	25	+	23	=	48
4.	46	+	33	=	79
5.	39	+	19	=	58
6.	24	+	23	=	47
7.	47	+	41	=	88
8.	23	+	15	=	38
9.	32	+	17	=	49
10.	42	+	37	=	79

Oefening 4
1.	47	+	37	=	84
2.	48	+	46	=	94
3.	35	+	11	=	46
4.	40	+	38	=	78
5.	22	+	17	=	39
6.	49	+	37	=	86
7.	22	+	22	=	44
8.	45	+	45	=	90
9.	44	+	31	=	75
10.	45	+	30	=	75