Erbijsommen met vlekken tot en met 40

Erbijsommen

Oefening 1
1.	11	+		=	16
2.	17	+		=	23
3.	13	+		=	20
4.	17	+		=	19
5.	16	+		=	20
6.	3	+		=	4
7.	5	+		=	7
8.	16	+		=	18
9.	16	+		=	25
10.	14	+		=	20

Oefening 2
1.	13	+		=	23
2.	18	+		=	30
3.	12	+		=	20
4.	17	+		=	22
5.	13	+		=	17
6.	15	+		=	18
7.	5	+		=	9
8.	13	+		=	15
9.	10	+		=	15
10.	14	+		=	23

Oefening 3
1.	16	+		=	28
2.	14	+		=	19
3.	13	+		=	14
4.	11	+		=	21
5.	17	+		=	20
6.	14	+		=	25
7.	3	+		=	4
8.	8	+		=	12
9.	9	+		=	15
10.	20	+		=	26

Oefening 4
1.	16	+		=	28
2.	3	+		=	5
3.	8	+		=	12
4.	3	+		=	5
5.	7	+		=	14
6.	6	+		=	9
7.	20	+		=	22
8.	19	+		=	22
9.	10	+		=	20
10.	13	+		=	19

Erbijsommen met vlekken tot en met 40
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	11	+	5	=	16
2.	17	+	6	=	23
3.	13	+	7	=	20
4.	17	+	2	=	19
5.	16	+	4	=	20
6.	3	+	1	=	4
7.	5	+	2	=	7
8.	16	+	2	=	18
9.	16	+	9	=	25
10.	14	+	6	=	20

Oefening 2
1.	13	+	10	=	23
2.	18	+	12	=	30
3.	12	+	8	=	20
4.	17	+	5	=	22
5.	13	+	4	=	17
6.	15	+	3	=	18
7.	5	+	4	=	9
8.	13	+	2	=	15
9.	10	+	5	=	15
10.	14	+	9	=	23

Oefening 3
1.	16	+	12	=	28
2.	14	+	5	=	19
3.	13	+	1	=	14
4.	11	+	10	=	21
5.	17	+	3	=	20
6.	14	+	11	=	25
7.	3	+	1	=	4
8.	8	+	4	=	12
9.	9	+	6	=	15
10.	20	+	6	=	26

Oefening 4
1.	16	+	12	=	28
2.	3	+	2	=	5
3.	8	+	4	=	12
4.	3	+	2	=	5
5.	7	+	7	=	14
6.	6	+	3	=	9
7.	20	+	2	=	22
8.	19	+	3	=	22
9.	10	+	10	=	20
10.	13	+	6	=	19