Erbijsommen met vlekken tot en met 100

Erbijsommen

Oefening 1
1.	17	+		=	32
2.	42	+		=	81
3.	43	+		=	86
4.	48	+		=	66
5.	26	+		=	44
6.	26	+		=	46
7.	43	+		=	66
8.	47	+		=	58
9.	38	+		=	60
10.	48	+		=	62

Oefening 2
1.	15	+		=	27
2.	43	+		=	75
3.	49	+		=	90
4.	43	+		=	66
5.	48	+		=	79
6.	24	+		=	47
7.	21	+		=	37
8.	41	+		=	65
9.	44	+		=	81
10.	27	+		=	48

Oefening 3
1.	49	+		=	67
2.	50	+		=	94
3.	29	+		=	45
4.	49	+		=	78
5.	43	+		=	81
6.	39	+		=	70
7.	35	+		=	57
8.	44	+		=	71
9.	27	+		=	48
10.	40	+		=	56

Oefening 4
1.	31	+		=	52
2.	31	+		=	56
3.	39	+		=	67
4.	44	+		=	65
5.	50	+		=	100
6.	42	+		=	80
7.	49	+		=	98
8.	42	+		=	61
9.	47	+		=	62
10.	46	+		=	58

Erbijsommen met vlekken tot en met 100
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	17	+	15	=	32
2.	42	+	39	=	81
3.	43	+	43	=	86
4.	48	+	18	=	66
5.	26	+	18	=	44
6.	26	+	20	=	46
7.	43	+	23	=	66
8.	47	+	11	=	58
9.	38	+	22	=	60
10.	48	+	14	=	62

Oefening 2
1.	15	+	12	=	27
2.	43	+	32	=	75
3.	49	+	41	=	90
4.	43	+	23	=	66
5.	48	+	31	=	79
6.	24	+	23	=	47
7.	21	+	16	=	37
8.	41	+	24	=	65
9.	44	+	37	=	81
10.	27	+	21	=	48

Oefening 3
1.	49	+	18	=	67
2.	50	+	44	=	94
3.	29	+	16	=	45
4.	49	+	29	=	78
5.	43	+	38	=	81
6.	39	+	31	=	70
7.	35	+	22	=	57
8.	44	+	27	=	71
9.	27	+	21	=	48
10.	40	+	16	=	56

Oefening 4
1.	31	+	21	=	52
2.	31	+	25	=	56
3.	39	+	28	=	67
4.	44	+	21	=	65
5.	50	+	50	=	100
6.	42	+	38	=	80
7.	49	+	49	=	98
8.	42	+	19	=	61
9.	47	+	15	=	62
10.	46	+	12	=	58