Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	31	+		=	61
2.	68	+		=	122
3.	63	+		=	123
4.	46	+		=	82
5.	88	+		=	139
6.	52	+		=	75
7.	49	+		=	95
8.	91	+		=	170
9.	46	+		=	69
10.	84	+		=	154

Oefening 2
1.	38	+		=	60
2.	79	+		=	139
3.	54	+		=	89
4.	93	+		=	158
5.	51	+		=	94
6.	98	+		=	182
7.	94	+		=	154
8.	90	+		=	163
9.	84	+		=	126
10.	63	+		=	84

Oefening 3
1.	88	+		=	116
2.	69	+		=	124
3.	28	+		=	51
4.	59	+		=	103
5.	57	+		=	81
6.	98	+		=	121
7.	30	+		=	51
8.	95	+		=	188
9.	54	+		=	77
10.	97	+		=	168

Oefening 4
1.	78	+		=	99
2.	49	+		=	91
3.	88	+		=	132
4.	27	+		=	49
5.	72	+		=	126
6.	87	+		=	121
7.	99	+		=	121
8.	75	+		=	139
9.	67	+		=	122
10.	63	+		=	102

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	31	+	30	=	61
2.	68	+	54	=	122
3.	63	+	60	=	123
4.	46	+	36	=	82
5.	88	+	51	=	139
6.	52	+	23	=	75
7.	49	+	46	=	95
8.	91	+	79	=	170
9.	46	+	23	=	69
10.	84	+	70	=	154

Oefening 2
1.	38	+	22	=	60
2.	79	+	60	=	139
3.	54	+	35	=	89
4.	93	+	65	=	158
5.	51	+	43	=	94
6.	98	+	84	=	182
7.	94	+	60	=	154
8.	90	+	73	=	163
9.	84	+	42	=	126
10.	63	+	21	=	84

Oefening 3
1.	88	+	28	=	116
2.	69	+	55	=	124
3.	28	+	23	=	51
4.	59	+	44	=	103
5.	57	+	24	=	81
6.	98	+	23	=	121
7.	30	+	21	=	51
8.	95	+	93	=	188
9.	54	+	23	=	77
10.	97	+	71	=	168

Oefening 4
1.	78	+	21	=	99
2.	49	+	42	=	91
3.	88	+	44	=	132
4.	27	+	22	=	49
5.	72	+	54	=	126
6.	87	+	34	=	121
7.	99	+	22	=	121
8.	75	+	64	=	139
9.	67	+	55	=	122
10.	63	+	39	=	102