Erbijsommen met vlekken tot en met 100

Erbijsommen

Oefening 1
1.	40	+		=	79
2.	20	+		=	35
3.	22	+		=	40
4.	40	+		=	61
5.	45	+		=	58
6.	21	+		=	33
7.	40	+		=	55
8.	34	+		=	67
9.	28	+		=	47
10.	29	+		=	48

Oefening 2
1.	20	+		=	34
2.	50	+		=	87
3.	42	+		=	83
4.	32	+		=	45
5.	24	+		=	40
6.	43	+		=	55
7.	36	+		=	46
8.	25	+		=	39
9.	47	+		=	85
10.	19	+		=	34

Oefening 3
1.	35	+		=	48
2.	47	+		=	70
3.	49	+		=	67
4.	48	+		=	66
5.	33	+		=	52
6.	50	+		=	99
7.	46	+		=	64
8.	50	+		=	89
9.	35	+		=	45
10.	30	+		=	54

Oefening 4
1.	42	+		=	74
2.	31	+		=	48
3.	46	+		=	75
4.	46	+		=	73
5.	27	+		=	41
6.	50	+		=	90
7.	26	+		=	45
8.	41	+		=	67
9.	36	+		=	61
10.	21	+		=	37

Erbijsommen met vlekken tot en met 100
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	40	+	39	=	79
2.	20	+	15	=	35
3.	22	+	18	=	40
4.	40	+	21	=	61
5.	45	+	13	=	58
6.	21	+	12	=	33
7.	40	+	15	=	55
8.	34	+	33	=	67
9.	28	+	19	=	47
10.	29	+	19	=	48

Oefening 2
1.	20	+	14	=	34
2.	50	+	37	=	87
3.	42	+	41	=	83
4.	32	+	13	=	45
5.	24	+	16	=	40
6.	43	+	12	=	55
7.	36	+	10	=	46
8.	25	+	14	=	39
9.	47	+	38	=	85
10.	19	+	15	=	34

Oefening 3
1.	35	+	13	=	48
2.	47	+	23	=	70
3.	49	+	18	=	67
4.	48	+	18	=	66
5.	33	+	19	=	52
6.	50	+	49	=	99
7.	46	+	18	=	64
8.	50	+	39	=	89
9.	35	+	10	=	45
10.	30	+	24	=	54

Oefening 4
1.	42	+	32	=	74
2.	31	+	17	=	48
3.	46	+	29	=	75
4.	46	+	27	=	73
5.	27	+	14	=	41
6.	50	+	40	=	90
7.	26	+	19	=	45
8.	41	+	26	=	67
9.	36	+	25	=	61
10.	21	+	16	=	37