Erbijsommen met vlekken tot en met 50

Erbijsommen

Oefening 1
1.	14	+		=	20
2.	25	+		=	40
3.	20	+		=	38
4.	23	+		=	28
5.	16	+		=	27
6.	25	+		=	39
7.	20	+		=	37
8.	24	+		=	45
9.	25	+		=	35
10.	12	+		=	22

Oefening 2
1.	9	+		=	17
2.	24	+		=	39
3.	7	+		=	14
4.	14	+		=	21
5.	16	+		=	22
6.	7	+		=	13
7.	16	+		=	26
8.	21	+		=	27
9.	18	+		=	29
10.	21	+		=	37

Oefening 3
1.	14	+		=	22
2.	23	+		=	29
3.	23	+		=	39
4.	22	+		=	32
5.	21	+		=	32
6.	12	+		=	21
7.	10	+		=	18
8.	11	+		=	17
9.	14	+		=	26
10.	20	+		=	35

Oefening 4
1.	24	+		=	42
2.	19	+		=	34
3.	24	+		=	31
4.	17	+		=	34
5.	12	+		=	21
6.	17	+		=	28
7.	23	+		=	33
8.	16	+		=	24
9.	19	+		=	36
10.	14	+		=	24

Erbijsommen met vlekken tot en met 50
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	14	+	6	=	20
2.	25	+	15	=	40
3.	20	+	18	=	38
4.	23	+	5	=	28
5.	16	+	11	=	27
6.	25	+	14	=	39
7.	20	+	17	=	37
8.	24	+	21	=	45
9.	25	+	10	=	35
10.	12	+	10	=	22

Oefening 2
1.	9	+	8	=	17
2.	24	+	15	=	39
3.	7	+	7	=	14
4.	14	+	7	=	21
5.	16	+	6	=	22
6.	7	+	6	=	13
7.	16	+	10	=	26
8.	21	+	6	=	27
9.	18	+	11	=	29
10.	21	+	16	=	37

Oefening 3
1.	14	+	8	=	22
2.	23	+	6	=	29
3.	23	+	16	=	39
4.	22	+	10	=	32
5.	21	+	11	=	32
6.	12	+	9	=	21
7.	10	+	8	=	18
8.	11	+	6	=	17
9.	14	+	12	=	26
10.	20	+	15	=	35

Oefening 4
1.	24	+	18	=	42
2.	19	+	15	=	34
3.	24	+	7	=	31
4.	17	+	17	=	34
5.	12	+	9	=	21
6.	17	+	11	=	28
7.	23	+	10	=	33
8.	16	+	8	=	24
9.	19	+	17	=	36
10.	14	+	10	=	24