Erbijsommen met vlekken tot en met 50

Erbijsommen

Oefening 1
1.	20	+		=	32
2.	21	+		=	42
3.	9	+		=	14
4.	5	+		=	9
5.	11	+		=	14
6.	23	+		=	37
7.	10	+		=	11
8.	5	+		=	6
9.	21	+		=	37
10.	12	+		=	18

Oefening 2
1.	23	+		=	28
2.	17	+		=	22
3.	13	+		=	24
4.	9	+		=	16
5.	25	+		=	43
6.	15	+		=	17
7.	6	+		=	8
8.	20	+		=	27
9.	11	+		=	14
10.	17	+		=	24

Oefening 3
1.	10	+		=	17
2.	22	+		=	30
3.	20	+		=	29
4.	23	+		=	31
5.	12	+		=	16
6.	18	+		=	30
7.	18	+		=	25
8.	25	+		=	44
9.	21	+		=	24
10.	7	+		=	10

Oefening 4
1.	6	+		=	10
2.	20	+		=	21
3.	11	+		=	16
4.	14	+		=	23
5.	9	+		=	12
6.	18	+		=	29
7.	14	+		=	22
8.	16	+		=	19
9.	22	+		=	38
10.	17	+		=	34

Erbijsommen met vlekken tot en met 50
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	20	+	12	=	32
2.	21	+	21	=	42
3.	9	+	5	=	14
4.	5	+	4	=	9
5.	11	+	3	=	14
6.	23	+	14	=	37
7.	10	+	1	=	11
8.	5	+	1	=	6
9.	21	+	16	=	37
10.	12	+	6	=	18

Oefening 2
1.	23	+	5	=	28
2.	17	+	5	=	22
3.	13	+	11	=	24
4.	9	+	7	=	16
5.	25	+	18	=	43
6.	15	+	2	=	17
7.	6	+	2	=	8
8.	20	+	7	=	27
9.	11	+	3	=	14
10.	17	+	7	=	24

Oefening 3
1.	10	+	7	=	17
2.	22	+	8	=	30
3.	20	+	9	=	29
4.	23	+	8	=	31
5.	12	+	4	=	16
6.	18	+	12	=	30
7.	18	+	7	=	25
8.	25	+	19	=	44
9.	21	+	3	=	24
10.	7	+	3	=	10

Oefening 4
1.	6	+	4	=	10
2.	20	+	1	=	21
3.	11	+	5	=	16
4.	14	+	9	=	23
5.	9	+	3	=	12
6.	18	+	11	=	29
7.	14	+	8	=	22
8.	16	+	3	=	19
9.	22	+	16	=	38
10.	17	+	17	=	34