Erbijsommen met vlekken tot en met 50

Erbijsommen

Oefening 1
1.	14	+		=	23
2.	21	+		=	30
3.	24	+		=	46
4.	25	+		=	32
5.	21	+		=	41
6.	17	+		=	24
7.	16	+		=	27
8.	14	+		=	26
9.	16	+		=	25
10.	15	+		=	29

Oefening 2
1.	21	+		=	38
2.	25	+		=	43
3.	18	+		=	23
4.	22	+		=	41
5.	24	+		=	47
6.	17	+		=	23
7.	22	+		=	30
8.	13	+		=	22
9.	23	+		=	35
10.	17	+		=	25

Oefening 3
1.	21	+		=	35
2.	18	+		=	23
3.	13	+		=	18
4.	16	+		=	32
5.	19	+		=	26
6.	10	+		=	15
7.	24	+		=	39
8.	18	+		=	31
9.	17	+		=	29
10.	20	+		=	33

Oefening 4
1.	22	+		=	43
2.	22	+		=	42
3.	20	+		=	30
4.	19	+		=	26
5.	25	+		=	44
6.	18	+		=	31
7.	12	+		=	22
8.	23	+		=	37
9.	16	+		=	31
10.	18	+		=	31

Erbijsommen met vlekken tot en met 50
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	14	+	9	=	23
2.	21	+	9	=	30
3.	24	+	22	=	46
4.	25	+	7	=	32
5.	21	+	20	=	41
6.	17	+	7	=	24
7.	16	+	11	=	27
8.	14	+	12	=	26
9.	16	+	9	=	25
10.	15	+	14	=	29

Oefening 2
1.	21	+	17	=	38
2.	25	+	18	=	43
3.	18	+	5	=	23
4.	22	+	19	=	41
5.	24	+	23	=	47
6.	17	+	6	=	23
7.	22	+	8	=	30
8.	13	+	9	=	22
9.	23	+	12	=	35
10.	17	+	8	=	25

Oefening 3
1.	21	+	14	=	35
2.	18	+	5	=	23
3.	13	+	5	=	18
4.	16	+	16	=	32
5.	19	+	7	=	26
6.	10	+	5	=	15
7.	24	+	15	=	39
8.	18	+	13	=	31
9.	17	+	12	=	29
10.	20	+	13	=	33

Oefening 4
1.	22	+	21	=	43
2.	22	+	20	=	42
3.	20	+	10	=	30
4.	19	+	7	=	26
5.	25	+	19	=	44
6.	18	+	13	=	31
7.	12	+	10	=	22
8.	23	+	14	=	37
9.	16	+	15	=	31
10.	18	+	13	=	31