Erbijsommen met vlekken tot en met 20

Erbijsommen

Oefening 1
1.	5	+		=	9
2.	10	+		=	15
3.	9	+		=	14
4.	5	+		=	9
5.	10	+		=	20
6.	7	+		=	10
7.	7	+		=	8
8.	8	+		=	12
9.	10	+		=	15
10.	10	+		=	11

Oefening 2
1.	8	+		=	14
2.	9	+		=	12
3.	5	+		=	8
4.	10	+		=	17
5.	4	+		=	5
6.	8	+		=	13
7.	4	+		=	7
8.	10	+		=	19
9.	10	+		=	15
10.	10	+		=	13

Oefening 3
1.	9	+		=	11
2.	3	+		=	4
3.	10	+		=	12
4.	9	+		=	14
5.	5	+		=	9
6.	10	+		=	19
7.	10	+		=	11
8.	8	+		=	13
9.	6	+		=	10
10.	10	+		=	19

Oefening 4
1.	5	+		=	7
2.	8	+		=	9
3.	9	+		=	16
4.	10	+		=	17
5.	5	+		=	10
6.	7	+		=	13
7.	9	+		=	14
8.	10	+		=	15
9.	10	+		=	12
10.	8	+		=	12

Erbijsommen met vlekken tot en met 20
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	5	+	4	=	9
2.	10	+	5	=	15
3.	9	+	5	=	14
4.	5	+	4	=	9
5.	10	+	10	=	20
6.	7	+	3	=	10
7.	7	+	1	=	8
8.	8	+	4	=	12
9.	10	+	5	=	15
10.	10	+	1	=	11

Oefening 2
1.	8	+	6	=	14
2.	9	+	3	=	12
3.	5	+	3	=	8
4.	10	+	7	=	17
5.	4	+	1	=	5
6.	8	+	5	=	13
7.	4	+	3	=	7
8.	10	+	9	=	19
9.	10	+	5	=	15
10.	10	+	3	=	13

Oefening 3
1.	9	+	2	=	11
2.	3	+	1	=	4
3.	10	+	2	=	12
4.	9	+	5	=	14
5.	5	+	4	=	9
6.	10	+	9	=	19
7.	10	+	1	=	11
8.	8	+	5	=	13
9.	6	+	4	=	10
10.	10	+	9	=	19

Oefening 4
1.	5	+	2	=	7
2.	8	+	1	=	9
3.	9	+	7	=	16
4.	10	+	7	=	17
5.	5	+	5	=	10
6.	7	+	6	=	13
7.	9	+	5	=	14
8.	10	+	5	=	15
9.	10	+	2	=	12
10.	8	+	4	=	12