Erbijsommen met vlekken tot en met 50

Erbijsommen

Oefening 1
1.	20	+		=	33
2.	24	+		=	43
3.	14	+		=	21
4.	15	+		=	18
5.	25	+		=	43
6.	18	+		=	25
7.	22	+		=	30
8.	15	+		=	17
9.	15	+		=	25
10.	19	+		=	28

Oefening 2
1.	20	+		=	39
2.	8	+		=	9
3.	25	+		=	37
4.	19	+		=	25
5.	21	+		=	36
6.	21	+		=	34
7.	21	+		=	38
8.	17	+		=	33
9.	23	+		=	24
10.	21	+		=	27

Oefening 3
1.	24	+		=	34
2.	12	+		=	21
3.	13	+		=	18
4.	13	+		=	18
5.	22	+		=	39
6.	15	+		=	26
7.	1	+		=	2
8.	24	+		=	39
9.	20	+		=	32
10.	18	+		=	28

Oefening 4
1.	20	+		=	23
2.	25	+		=	42
3.	12	+		=	13
4.	23	+		=	33
5.	15	+		=	28
6.	5	+		=	6
7.	20	+		=	39
8.	18	+		=	28
9.	12	+		=	14
10.	22	+		=	27

Erbijsommen met vlekken tot en met 50
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	20	+	13	=	33
2.	24	+	19	=	43
3.	14	+	7	=	21
4.	15	+	3	=	18
5.	25	+	18	=	43
6.	18	+	7	=	25
7.	22	+	8	=	30
8.	15	+	2	=	17
9.	15	+	10	=	25
10.	19	+	9	=	28

Oefening 2
1.	20	+	19	=	39
2.	8	+	1	=	9
3.	25	+	12	=	37
4.	19	+	6	=	25
5.	21	+	15	=	36
6.	21	+	13	=	34
7.	21	+	17	=	38
8.	17	+	16	=	33
9.	23	+	1	=	24
10.	21	+	6	=	27

Oefening 3
1.	24	+	10	=	34
2.	12	+	9	=	21
3.	13	+	5	=	18
4.	13	+	5	=	18
5.	22	+	17	=	39
6.	15	+	11	=	26
7.	1	+	1	=	2
8.	24	+	15	=	39
9.	20	+	12	=	32
10.	18	+	10	=	28

Oefening 4
1.	20	+	3	=	23
2.	25	+	17	=	42
3.	12	+	1	=	13
4.	23	+	10	=	33
5.	15	+	13	=	28
6.	5	+	1	=	6
7.	20	+	19	=	39
8.	18	+	10	=	28
9.	12	+	2	=	14
10.	22	+	5	=	27