Erbijsommen met vlekken tot en met 100

Erbijsommen

Oefening 1
1.	42	+		=	67
2.	33	+		=	51
3.	45	+		=	75
4.	41	+		=	78
5.	43	+		=	67
6.	41	+		=	57
7.	39	+		=	71
8.	39	+		=	55
9.	31	+		=	59
10.	46	+		=	82

Oefening 2
1.	41	+		=	63
2.	41	+		=	72
3.	31	+		=	42
4.	29	+		=	40
5.	37	+		=	55
6.	25	+		=	50
7.	16	+		=	31
8.	34	+		=	55
9.	16	+		=	28
10.	32	+		=	48

Oefening 3
1.	48	+		=	66
2.	32	+		=	45
3.	34	+		=	66
4.	28	+		=	46
5.	34	+		=	57
6.	46	+		=	81
7.	16	+		=	31
8.	28	+		=	42
9.	49	+		=	67
10.	37	+		=	54

Oefening 4
1.	26	+		=	37
2.	32	+		=	49
3.	44	+		=	76
4.	43	+		=	81
5.	45	+		=	66
6.	25	+		=	45
7.	36	+		=	67
8.	35	+		=	59
9.	37	+		=	64
10.	38	+		=	50

Erbijsommen met vlekken tot en met 100
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	42	+	25	=	67
2.	33	+	18	=	51
3.	45	+	30	=	75
4.	41	+	37	=	78
5.	43	+	24	=	67
6.	41	+	16	=	57
7.	39	+	32	=	71
8.	39	+	16	=	55
9.	31	+	28	=	59
10.	46	+	36	=	82

Oefening 2
1.	41	+	22	=	63
2.	41	+	31	=	72
3.	31	+	11	=	42
4.	29	+	11	=	40
5.	37	+	18	=	55
6.	25	+	25	=	50
7.	16	+	15	=	31
8.	34	+	21	=	55
9.	16	+	12	=	28
10.	32	+	16	=	48

Oefening 3
1.	48	+	18	=	66
2.	32	+	13	=	45
3.	34	+	32	=	66
4.	28	+	18	=	46
5.	34	+	23	=	57
6.	46	+	35	=	81
7.	16	+	15	=	31
8.	28	+	14	=	42
9.	49	+	18	=	67
10.	37	+	17	=	54

Oefening 4
1.	26	+	11	=	37
2.	32	+	17	=	49
3.	44	+	32	=	76
4.	43	+	38	=	81
5.	45	+	21	=	66
6.	25	+	20	=	45
7.	36	+	31	=	67
8.	35	+	24	=	59
9.	37	+	27	=	64
10.	38	+	12	=	50