Erbijsommen met vlekken tot en met 50

Erbijsommen

Oefening 1
1.	16	+		=	23
2.	25	+		=	32
3.	19	+		=	33
4.	15	+		=	30
5.	21	+		=	40
6.	21	+		=	30
7.	14	+		=	22
8.	19	+		=	24
9.	20	+		=	27
10.	18	+		=	24

Oefening 2
1.	25	+		=	30
2.	15	+		=	23
3.	15	+		=	23
4.	20	+		=	26
5.	14	+		=	26
6.	5	+		=	10
7.	16	+		=	21
8.	11	+		=	17
9.	9	+		=	17
10.	17	+		=	27

Oefening 3
1.	20	+		=	29
2.	20	+		=	39
3.	21	+		=	38
4.	22	+		=	37
5.	25	+		=	42
6.	7	+		=	12
7.	20	+		=	36
8.	17	+		=	26
9.	25	+		=	49
10.	11	+		=	16

Oefening 4
1.	22	+		=	34
2.	18	+		=	28
3.	16	+		=	26
4.	20	+		=	38
5.	17	+		=	34
6.	14	+		=	26
7.	20	+		=	28
8.	11	+		=	16
9.	25	+		=	43
10.	14	+		=	21

Erbijsommen met vlekken tot en met 50
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	16	+	7	=	23
2.	25	+	7	=	32
3.	19	+	14	=	33
4.	15	+	15	=	30
5.	21	+	19	=	40
6.	21	+	9	=	30
7.	14	+	8	=	22
8.	19	+	5	=	24
9.	20	+	7	=	27
10.	18	+	6	=	24

Oefening 2
1.	25	+	5	=	30
2.	15	+	8	=	23
3.	15	+	8	=	23
4.	20	+	6	=	26
5.	14	+	12	=	26
6.	5	+	5	=	10
7.	16	+	5	=	21
8.	11	+	6	=	17
9.	9	+	8	=	17
10.	17	+	10	=	27

Oefening 3
1.	20	+	9	=	29
2.	20	+	19	=	39
3.	21	+	17	=	38
4.	22	+	15	=	37
5.	25	+	17	=	42
6.	7	+	5	=	12
7.	20	+	16	=	36
8.	17	+	9	=	26
9.	25	+	24	=	49
10.	11	+	5	=	16

Oefening 4
1.	22	+	12	=	34
2.	18	+	10	=	28
3.	16	+	10	=	26
4.	20	+	18	=	38
5.	17	+	17	=	34
6.	14	+	12	=	26
7.	20	+	8	=	28
8.	11	+	5	=	16
9.	25	+	18	=	43
10.	14	+	7	=	21