Erbijsommen met vlekken tot en met 50

Erbijsommen

Oefening 1
1.	25	+		=	45
2.	16	+		=	21
3.	20	+		=	32
4.	25	+		=	37
5.	23	+		=	32
6.	25	+		=	33
7.	21	+		=	26
8.	19	+		=	25
9.	23	+		=	36
10.	21	+		=	31

Oefening 2
1.	15	+		=	23
2.	10	+		=	16
3.	16	+		=	29
4.	25	+		=	46
5.	15	+		=	28
6.	12	+		=	21
7.	18	+		=	36
8.	10	+		=	16
9.	20	+		=	38
10.	25	+		=	31

Oefening 3
1.	22	+		=	40
2.	20	+		=	30
3.	23	+		=	39
4.	18	+		=	31
5.	23	+		=	37
6.	22	+		=	37
7.	25	+		=	45
8.	20	+		=	30
9.	20	+		=	36
10.	15	+		=	20

Oefening 4
1.	24	+		=	43
2.	19	+		=	38
3.	25	+		=	47
4.	15	+		=	24
5.	8	+		=	14
6.	11	+		=	21
7.	15	+		=	22
8.	18	+		=	29
9.	24	+		=	45
10.	20	+		=	26

Erbijsommen met vlekken tot en met 50
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	25	+	20	=	45
2.	16	+	5	=	21
3.	20	+	12	=	32
4.	25	+	12	=	37
5.	23	+	9	=	32
6.	25	+	8	=	33
7.	21	+	5	=	26
8.	19	+	6	=	25
9.	23	+	13	=	36
10.	21	+	10	=	31

Oefening 2
1.	15	+	8	=	23
2.	10	+	6	=	16
3.	16	+	13	=	29
4.	25	+	21	=	46
5.	15	+	13	=	28
6.	12	+	9	=	21
7.	18	+	18	=	36
8.	10	+	6	=	16
9.	20	+	18	=	38
10.	25	+	6	=	31

Oefening 3
1.	22	+	18	=	40
2.	20	+	10	=	30
3.	23	+	16	=	39
4.	18	+	13	=	31
5.	23	+	14	=	37
6.	22	+	15	=	37
7.	25	+	20	=	45
8.	20	+	10	=	30
9.	20	+	16	=	36
10.	15	+	5	=	20

Oefening 4
1.	24	+	19	=	43
2.	19	+	19	=	38
3.	25	+	22	=	47
4.	15	+	9	=	24
5.	8	+	6	=	14
6.	11	+	10	=	21
7.	15	+	7	=	22
8.	18	+	11	=	29
9.	24	+	21	=	45
10.	20	+	6	=	26