Erbijsommen met vlekken tot en met 100

Erbijsommen

Oefening 1
1.	39	+		=	75
2.	30	+		=	42
3.	21	+		=	32
4.	23	+		=	41
5.	40	+		=	74
6.	37	+		=	58
7.	49	+		=	60
8.	39	+		=	60
9.	13	+		=	23
10.	39	+		=	59

Oefening 2
1.	44	+		=	76
2.	44	+		=	74
3.	37	+		=	72
4.	44	+		=	83
5.	35	+		=	69
6.	44	+		=	67
7.	28	+		=	42
8.	46	+		=	77
9.	30	+		=	53
10.	44	+		=	57

Oefening 3
1.	30	+		=	59
2.	40	+		=	54
3.	20	+		=	34
4.	46	+		=	79
5.	50	+		=	77
6.	25	+		=	41
7.	33	+		=	65
8.	32	+		=	52
9.	48	+		=	66
10.	40	+		=	73

Oefening 4
1.	40	+		=	61
2.	18	+		=	35
3.	41	+		=	54
4.	29	+		=	49
5.	42	+		=	66
6.	47	+		=	78
7.	48	+		=	82
8.	36	+		=	70
9.	50	+		=	62
10.	12	+		=	23

Erbijsommen met vlekken tot en met 100
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	39	+	36	=	75
2.	30	+	12	=	42
3.	21	+	11	=	32
4.	23	+	18	=	41
5.	40	+	34	=	74
6.	37	+	21	=	58
7.	49	+	11	=	60
8.	39	+	21	=	60
9.	13	+	10	=	23
10.	39	+	20	=	59

Oefening 2
1.	44	+	32	=	76
2.	44	+	30	=	74
3.	37	+	35	=	72
4.	44	+	39	=	83
5.	35	+	34	=	69
6.	44	+	23	=	67
7.	28	+	14	=	42
8.	46	+	31	=	77
9.	30	+	23	=	53
10.	44	+	13	=	57

Oefening 3
1.	30	+	29	=	59
2.	40	+	14	=	54
3.	20	+	14	=	34
4.	46	+	33	=	79
5.	50	+	27	=	77
6.	25	+	16	=	41
7.	33	+	32	=	65
8.	32	+	20	=	52
9.	48	+	18	=	66
10.	40	+	33	=	73

Oefening 4
1.	40	+	21	=	61
2.	18	+	17	=	35
3.	41	+	13	=	54
4.	29	+	20	=	49
5.	42	+	24	=	66
6.	47	+	31	=	78
7.	48	+	34	=	82
8.	36	+	34	=	70
9.	50	+	12	=	62
10.	12	+	11	=	23