Erbijsommen met vlekken tot en met 100

Erbijsommen

Oefening 1
1.	46	+		=	81
2.	50	+		=	92
3.	24	+		=	42
4.	26	+		=	49
5.	43	+		=	60
6.	29	+		=	52
7.	47	+		=	84
8.	32	+		=	56
9.	47	+		=	92
10.	26	+		=	46

Oefening 2
1.	31	+		=	45
2.	44	+		=	61
3.	41	+		=	81
4.	48	+		=	71
5.	50	+		=	91
6.	38	+		=	54
7.	35	+		=	53
8.	31	+		=	57
9.	31	+		=	46
10.	35	+		=	54

Oefening 3
1.	37	+		=	60
2.	30	+		=	45
3.	36	+		=	55
4.	49	+		=	81
5.	39	+		=	54
6.	15	+		=	30
7.	31	+		=	51
8.	41	+		=	68
9.	31	+		=	55
10.	32	+		=	50

Oefening 4
1.	45	+		=	70
2.	42	+		=	59
3.	40	+		=	69
4.	37	+		=	67
5.	42	+		=	76
6.	39	+		=	51
7.	40	+		=	61
8.	48	+		=	85
9.	37	+		=	50
10.	47	+		=	84

Erbijsommen met vlekken tot en met 100
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	46	+	35	=	81
2.	50	+	42	=	92
3.	24	+	18	=	42
4.	26	+	23	=	49
5.	43	+	17	=	60
6.	29	+	23	=	52
7.	47	+	37	=	84
8.	32	+	24	=	56
9.	47	+	45	=	92
10.	26	+	20	=	46

Oefening 2
1.	31	+	14	=	45
2.	44	+	17	=	61
3.	41	+	40	=	81
4.	48	+	23	=	71
5.	50	+	41	=	91
6.	38	+	16	=	54
7.	35	+	18	=	53
8.	31	+	26	=	57
9.	31	+	15	=	46
10.	35	+	19	=	54

Oefening 3
1.	37	+	23	=	60
2.	30	+	15	=	45
3.	36	+	19	=	55
4.	49	+	32	=	81
5.	39	+	15	=	54
6.	15	+	15	=	30
7.	31	+	20	=	51
8.	41	+	27	=	68
9.	31	+	24	=	55
10.	32	+	18	=	50

Oefening 4
1.	45	+	25	=	70
2.	42	+	17	=	59
3.	40	+	29	=	69
4.	37	+	30	=	67
5.	42	+	34	=	76
6.	39	+	12	=	51
7.	40	+	21	=	61
8.	48	+	37	=	85
9.	37	+	13	=	50
10.	47	+	37	=	84