Erbijsommen met vlekken tot en met 40

Erbijsommen

Oefening 1
1.	12	+		=	15
2.	20	+		=	39
3.	6	+		=	10
4.	9	+		=	14
5.	11	+		=	15
6.	20	+		=	29
7.	8	+		=	15
8.	20	+		=	37
9.	19	+		=	26
10.	19	+		=	37

Oefening 2
1.	6	+		=	7
2.	7	+		=	9
3.	14	+		=	15
4.	8	+		=	11
5.	12	+		=	18
6.	16	+		=	20
7.	19	+		=	35
8.	16	+		=	29
9.	13	+		=	22
10.	18	+		=	33

Oefening 3
1.	6	+		=	10
2.	14	+		=	26
3.	17	+		=	22
4.	20	+		=	40
5.	11	+		=	20
6.	19	+		=	37
7.	9	+		=	10
8.	20	+		=	28
9.	15	+		=	21
10.	6	+		=	11

Oefening 4
1.	12	+		=	14
2.	12	+		=	23
3.	11	+		=	16
4.	17	+		=	22
5.	11	+		=	13
6.	9	+		=	16
7.	5	+		=	9
8.	13	+		=	24
9.	9	+		=	10
10.	15	+		=	18

Erbijsommen met vlekken tot en met 40
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	12	+	3	=	15
2.	20	+	19	=	39
3.	6	+	4	=	10
4.	9	+	5	=	14
5.	11	+	4	=	15
6.	20	+	9	=	29
7.	8	+	7	=	15
8.	20	+	17	=	37
9.	19	+	7	=	26
10.	19	+	18	=	37

Oefening 2
1.	6	+	1	=	7
2.	7	+	2	=	9
3.	14	+	1	=	15
4.	8	+	3	=	11
5.	12	+	6	=	18
6.	16	+	4	=	20
7.	19	+	16	=	35
8.	16	+	13	=	29
9.	13	+	9	=	22
10.	18	+	15	=	33

Oefening 3
1.	6	+	4	=	10
2.	14	+	12	=	26
3.	17	+	5	=	22
4.	20	+	20	=	40
5.	11	+	9	=	20
6.	19	+	18	=	37
7.	9	+	1	=	10
8.	20	+	8	=	28
9.	15	+	6	=	21
10.	6	+	5	=	11

Oefening 4
1.	12	+	2	=	14
2.	12	+	11	=	23
3.	11	+	5	=	16
4.	17	+	5	=	22
5.	11	+	2	=	13
6.	9	+	7	=	16
7.	5	+	4	=	9
8.	13	+	11	=	24
9.	9	+	1	=	10
10.	15	+	3	=	18