Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	49	+		=	81
2.	86	+		=	169
3.	70	+		=	130
4.	91	+		=	166
5.	83	+		=	131
6.	100	+		=	141
7.	38	+		=	76
8.	94	+		=	167
9.	97	+		=	154
10.	92	+		=	119

Oefening 2
1.	98	+		=	118
2.	92	+		=	117
3.	95	+		=	189
4.	71	+		=	121
5.	99	+		=	179
6.	89	+		=	122
7.	72	+		=	139
8.	96	+		=	158
9.	92	+		=	131
10.	72	+		=	132

Oefening 3
1.	81	+		=	126
2.	84	+		=	131
3.	68	+		=	91
4.	53	+		=	78
5.	47	+		=	86
6.	89	+		=	135
7.	59	+		=	89
8.	35	+		=	61
9.	64	+		=	102
10.	90	+		=	134

Oefening 4
1.	71	+		=	100
2.	76	+		=	110
3.	52	+		=	104
4.	35	+		=	70
5.	58	+		=	97
6.	77	+		=	149
7.	38	+		=	62
8.	92	+		=	136
9.	94	+		=	114
10.	68	+		=	125

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	49	+	32	=	81
2.	86	+	83	=	169
3.	70	+	60	=	130
4.	91	+	75	=	166
5.	83	+	48	=	131
6.	100	+	41	=	141
7.	38	+	38	=	76
8.	94	+	73	=	167
9.	97	+	57	=	154
10.	92	+	27	=	119

Oefening 2
1.	98	+	20	=	118
2.	92	+	25	=	117
3.	95	+	94	=	189
4.	71	+	50	=	121
5.	99	+	80	=	179
6.	89	+	33	=	122
7.	72	+	67	=	139
8.	96	+	62	=	158
9.	92	+	39	=	131
10.	72	+	60	=	132

Oefening 3
1.	81	+	45	=	126
2.	84	+	47	=	131
3.	68	+	23	=	91
4.	53	+	25	=	78
5.	47	+	39	=	86
6.	89	+	46	=	135
7.	59	+	30	=	89
8.	35	+	26	=	61
9.	64	+	38	=	102
10.	90	+	44	=	134

Oefening 4
1.	71	+	29	=	100
2.	76	+	34	=	110
3.	52	+	52	=	104
4.	35	+	35	=	70
5.	58	+	39	=	97
6.	77	+	72	=	149
7.	38	+	24	=	62
8.	92	+	44	=	136
9.	94	+	20	=	114
10.	68	+	57	=	125