Erbijsommen met vlekken tot en met 50

Erbijsommen

Oefening 1
1.	17	+		=	32
2.	25	+		=	31
3.	20	+		=	30
4.	12	+		=	17
5.	24	+		=	32
6.	10	+		=	17
7.	3	+		=	4
8.	14	+		=	20
9.	19	+		=	35
10.	23	+		=	24

Oefening 2
1.	21	+		=	39
2.	24	+		=	36
3.	4	+		=	5
4.	23	+		=	45
5.	22	+		=	28
6.	20	+		=	38
7.	23	+		=	27
8.	15	+		=	24
9.	8	+		=	15
10.	19	+		=	32

Oefening 3
1.	13	+		=	19
2.	17	+		=	26
3.	22	+		=	39
4.	4	+		=	8
5.	17	+		=	18
6.	10	+		=	19
7.	17	+		=	19
8.	15	+		=	23
9.	17	+		=	26
10.	22	+		=	28

Oefening 4
1.	24	+		=	27
2.	12	+		=	16
3.	10	+		=	15
4.	15	+		=	30
5.	23	+		=	24
6.	5	+		=	9
7.	21	+		=	32
8.	14	+		=	27
9.	24	+		=	28
10.	3	+		=	6

Erbijsommen met vlekken tot en met 50
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	17	+	15	=	32
2.	25	+	6	=	31
3.	20	+	10	=	30
4.	12	+	5	=	17
5.	24	+	8	=	32
6.	10	+	7	=	17
7.	3	+	1	=	4
8.	14	+	6	=	20
9.	19	+	16	=	35
10.	23	+	1	=	24

Oefening 2
1.	21	+	18	=	39
2.	24	+	12	=	36
3.	4	+	1	=	5
4.	23	+	22	=	45
5.	22	+	6	=	28
6.	20	+	18	=	38
7.	23	+	4	=	27
8.	15	+	9	=	24
9.	8	+	7	=	15
10.	19	+	13	=	32

Oefening 3
1.	13	+	6	=	19
2.	17	+	9	=	26
3.	22	+	17	=	39
4.	4	+	4	=	8
5.	17	+	1	=	18
6.	10	+	9	=	19
7.	17	+	2	=	19
8.	15	+	8	=	23
9.	17	+	9	=	26
10.	22	+	6	=	28

Oefening 4
1.	24	+	3	=	27
2.	12	+	4	=	16
3.	10	+	5	=	15
4.	15	+	15	=	30
5.	23	+	1	=	24
6.	5	+	4	=	9
7.	21	+	11	=	32
8.	14	+	13	=	27
9.	24	+	4	=	28
10.	3	+	3	=	6