Erbijsommen met vlekken tot en met 40

Erbijsommen

Oefening 1
1.	20	+		=	39
2.	20	+		=	29
3.	20	+		=	24
4.	19	+		=	29
5.	4	+		=	5
6.	9	+		=	13
7.	14	+		=	19
8.	13	+		=	15
9.	12	+		=	14
10.	17	+		=	25

Oefening 2
1.	19	+		=	32
2.	18	+		=	25
3.	7	+		=	8
4.	8	+		=	10
5.	6	+		=	8
6.	14	+		=	15
7.	5	+		=	8
8.	18	+		=	21
9.	13	+		=	16
10.	3	+		=	4

Oefening 3
1.	14	+		=	16
2.	14	+		=	25
3.	7	+		=	13
4.	16	+		=	20
5.	8	+		=	14
6.	17	+		=	32
7.	18	+		=	19
8.	7	+		=	10
9.	12	+		=	14
10.	9	+		=	15

Oefening 4
1.	7	+		=	9
2.	14	+		=	25
3.	4	+		=	7
4.	2	+		=	3
5.	7	+		=	8
6.	17	+		=	33
7.	11	+		=	17
8.	15	+		=	19
9.	12	+		=	16
10.	8	+		=	14

Erbijsommen met vlekken tot en met 40
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	20	+	19	=	39
2.	20	+	9	=	29
3.	20	+	4	=	24
4.	19	+	10	=	29
5.	4	+	1	=	5
6.	9	+	4	=	13
7.	14	+	5	=	19
8.	13	+	2	=	15
9.	12	+	2	=	14
10.	17	+	8	=	25

Oefening 2
1.	19	+	13	=	32
2.	18	+	7	=	25
3.	7	+	1	=	8
4.	8	+	2	=	10
5.	6	+	2	=	8
6.	14	+	1	=	15
7.	5	+	3	=	8
8.	18	+	3	=	21
9.	13	+	3	=	16
10.	3	+	1	=	4

Oefening 3
1.	14	+	2	=	16
2.	14	+	11	=	25
3.	7	+	6	=	13
4.	16	+	4	=	20
5.	8	+	6	=	14
6.	17	+	15	=	32
7.	18	+	1	=	19
8.	7	+	3	=	10
9.	12	+	2	=	14
10.	9	+	6	=	15

Oefening 4
1.	7	+	2	=	9
2.	14	+	11	=	25
3.	4	+	3	=	7
4.	2	+	1	=	3
5.	7	+	1	=	8
6.	17	+	16	=	33
7.	11	+	6	=	17
8.	15	+	4	=	19
9.	12	+	4	=	16
10.	8	+	6	=	14