Erbijsommen met vlekken tot en met 50

Erbijsommen

Oefening 1
1.	19	+		=	30
2.	23	+		=	44
3.	14	+		=	19
4.	25	+		=	33
5.	25	+		=	44
6.	16	+		=	29
7.	14	+		=	27
8.	21	+		=	38
9.	23	+		=	45
10.	11	+		=	19

Oefening 2
1.	24	+		=	44
2.	21	+		=	36
3.	15	+		=	28
4.	12	+		=	20
5.	9	+		=	17
6.	22	+		=	40
7.	19	+		=	35
8.	14	+		=	26
9.	15	+		=	21
10.	25	+		=	34

Oefening 3
1.	19	+		=	27
2.	21	+		=	34
3.	24	+		=	43
4.	12	+		=	19
5.	20	+		=	38
6.	25	+		=	32
7.	24	+		=	39
8.	19	+		=	38
9.	22	+		=	43
10.	24	+		=	34

Oefening 4
1.	18	+		=	23
2.	17	+		=	24
3.	16	+		=	30
4.	17	+		=	22
5.	15	+		=	21
6.	12	+		=	21
7.	7	+		=	13
8.	16	+		=	22
9.	24	+		=	33
10.	11	+		=	16

Erbijsommen met vlekken tot en met 50
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	19	+	11	=	30
2.	23	+	21	=	44
3.	14	+	5	=	19
4.	25	+	8	=	33
5.	25	+	19	=	44
6.	16	+	13	=	29
7.	14	+	13	=	27
8.	21	+	17	=	38
9.	23	+	22	=	45
10.	11	+	8	=	19

Oefening 2
1.	24	+	20	=	44
2.	21	+	15	=	36
3.	15	+	13	=	28
4.	12	+	8	=	20
5.	9	+	8	=	17
6.	22	+	18	=	40
7.	19	+	16	=	35
8.	14	+	12	=	26
9.	15	+	6	=	21
10.	25	+	9	=	34

Oefening 3
1.	19	+	8	=	27
2.	21	+	13	=	34
3.	24	+	19	=	43
4.	12	+	7	=	19
5.	20	+	18	=	38
6.	25	+	7	=	32
7.	24	+	15	=	39
8.	19	+	19	=	38
9.	22	+	21	=	43
10.	24	+	10	=	34

Oefening 4
1.	18	+	5	=	23
2.	17	+	7	=	24
3.	16	+	14	=	30
4.	17	+	5	=	22
5.	15	+	6	=	21
6.	12	+	9	=	21
7.	7	+	6	=	13
8.	16	+	6	=	22
9.	24	+	9	=	33
10.	11	+	5	=	16