Erbijsommen met vlekken tot en met 200

Erbijsommen

Oefening 1
1.	48	+		=	95
2.	89	+		=	170
3.	80	+		=	145
4.	91	+		=	139
5.	77	+		=	111
6.	71	+		=	117
7.	72	+		=	134
8.	80	+		=	139
9.	87	+		=	142
10.	77	+		=	142

Oefening 2
1.	66	+		=	88
2.	96	+		=	129
3.	86	+		=	133
4.	87	+		=	126
5.	78	+		=	113
6.	97	+		=	122
7.	91	+		=	171
8.	98	+		=	149
9.	88	+		=	108
10.	99	+		=	168

Oefening 3
1.	95	+		=	160
2.	37	+		=	58
3.	89	+		=	177
4.	64	+		=	116
5.	81	+		=	139
6.	46	+		=	89
7.	96	+		=	131
8.	46	+		=	73
9.	68	+		=	133
10.	55	+		=	101

Oefening 4
1.	51	+		=	83
2.	66	+		=	106
3.	43	+		=	74
4.	76	+		=	146
5.	91	+		=	174
6.	98	+		=	160
7.	85	+		=	147
8.	91	+		=	142
9.	66	+		=	131
10.	70	+		=	134

Erbijsommen met vlekken tot en met 200
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	48	+	47	=	95
2.	89	+	81	=	170
3.	80	+	65	=	145
4.	91	+	48	=	139
5.	77	+	34	=	111
6.	71	+	46	=	117
7.	72	+	62	=	134
8.	80	+	59	=	139
9.	87	+	55	=	142
10.	77	+	65	=	142

Oefening 2
1.	66	+	22	=	88
2.	96	+	33	=	129
3.	86	+	47	=	133
4.	87	+	39	=	126
5.	78	+	35	=	113
6.	97	+	25	=	122
7.	91	+	80	=	171
8.	98	+	51	=	149
9.	88	+	20	=	108
10.	99	+	69	=	168

Oefening 3
1.	95	+	65	=	160
2.	37	+	21	=	58
3.	89	+	88	=	177
4.	64	+	52	=	116
5.	81	+	58	=	139
6.	46	+	43	=	89
7.	96	+	35	=	131
8.	46	+	27	=	73
9.	68	+	65	=	133
10.	55	+	46	=	101

Oefening 4
1.	51	+	32	=	83
2.	66	+	40	=	106
3.	43	+	31	=	74
4.	76	+	70	=	146
5.	91	+	83	=	174
6.	98	+	62	=	160
7.	85	+	62	=	147
8.	91	+	51	=	142
9.	66	+	65	=	131
10.	70	+	64	=	134