Erbijsommen met vlekken tot en met 100

Erbijsommen

Oefening 1
1.	43	+		=	78
2.	30	+		=	51
3.	42	+		=	81
4.	12	+		=	23
5.	35	+		=	64
6.	46	+		=	72
7.	20	+		=	39
8.	43	+		=	78
9.	47	+		=	72
10.	33	+		=	60

Oefening 2
1.	33	+		=	56
2.	35	+		=	66
3.	48	+		=	74
4.	14	+		=	27
5.	50	+		=	64
6.	45	+		=	67
7.	26	+		=	47
8.	29	+		=	46
9.	38	+		=	74
10.	45	+		=	86

Oefening 3
1.	30	+		=	50
2.	48	+		=	92
3.	38	+		=	66
4.	13	+		=	24
5.	29	+		=	48
6.	50	+		=	75
7.	45	+		=	84
8.	39	+		=	54
9.	50	+		=	95
10.	35	+		=	60

Oefening 4
1.	27	+		=	52
2.	39	+		=	61
3.	22	+		=	38
4.	40	+		=	53
5.	36	+		=	54
6.	43	+		=	72
7.	36	+		=	50
8.	23	+		=	46
9.	37	+		=	61
10.	44	+		=	75

Erbijsommen met vlekken tot en met 100
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	43	+	35	=	78
2.	30	+	21	=	51
3.	42	+	39	=	81
4.	12	+	11	=	23
5.	35	+	29	=	64
6.	46	+	26	=	72
7.	20	+	19	=	39
8.	43	+	35	=	78
9.	47	+	25	=	72
10.	33	+	27	=	60

Oefening 2
1.	33	+	23	=	56
2.	35	+	31	=	66
3.	48	+	26	=	74
4.	14	+	13	=	27
5.	50	+	14	=	64
6.	45	+	22	=	67
7.	26	+	21	=	47
8.	29	+	17	=	46
9.	38	+	36	=	74
10.	45	+	41	=	86

Oefening 3
1.	30	+	20	=	50
2.	48	+	44	=	92
3.	38	+	28	=	66
4.	13	+	11	=	24
5.	29	+	19	=	48
6.	50	+	25	=	75
7.	45	+	39	=	84
8.	39	+	15	=	54
9.	50	+	45	=	95
10.	35	+	25	=	60

Oefening 4
1.	27	+	25	=	52
2.	39	+	22	=	61
3.	22	+	16	=	38
4.	40	+	13	=	53
5.	36	+	18	=	54
6.	43	+	29	=	72
7.	36	+	14	=	50
8.	23	+	23	=	46
9.	37	+	24	=	61
10.	44	+	31	=	75