Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	160	+		=	277
2.	249	+		=	452
3.	231	+		=	395
4.	218	+		=	290
5.	230	+		=	351
6.	88	+		=	139
7.	229	+		=	308
8.	218	+		=	353
9.	89	+		=	175
10.	164	+		=	278

Oefening 2
1.	204	+		=	359
2.	198	+		=	296
3.	119	+		=	191
4.	175	+		=	229
5.	164	+		=	283
6.	187	+		=	255
7.	218	+		=	363
8.	152	+		=	219
9.	174	+		=	313
10.	174	+		=	257

Oefening 3
1.	91	+		=	148
2.	187	+		=	300
3.	169	+		=	243
4.	214	+		=	289
5.	249	+		=	398
6.	238	+		=	465
7.	144	+		=	247
8.	225	+		=	304
9.	231	+		=	435
10.	220	+		=	320

Oefening 4
1.	247	+		=	487
2.	185	+		=	313
3.	172	+		=	255
4.	103	+		=	166
5.	112	+		=	210
6.	109	+		=	174
7.	234	+		=	294
8.	166	+		=	295
9.	217	+		=	404
10.	109	+		=	163

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	160	+	117	=	277
2.	249	+	203	=	452
3.	231	+	164	=	395
4.	218	+	72	=	290
5.	230	+	121	=	351
6.	88	+	51	=	139
7.	229	+	79	=	308
8.	218	+	135	=	353
9.	89	+	86	=	175
10.	164	+	114	=	278

Oefening 2
1.	204	+	155	=	359
2.	198	+	98	=	296
3.	119	+	72	=	191
4.	175	+	54	=	229
5.	164	+	119	=	283
6.	187	+	68	=	255
7.	218	+	145	=	363
8.	152	+	67	=	219
9.	174	+	139	=	313
10.	174	+	83	=	257

Oefening 3
1.	91	+	57	=	148
2.	187	+	113	=	300
3.	169	+	74	=	243
4.	214	+	75	=	289
5.	249	+	149	=	398
6.	238	+	227	=	465
7.	144	+	103	=	247
8.	225	+	79	=	304
9.	231	+	204	=	435
10.	220	+	100	=	320

Oefening 4
1.	247	+	240	=	487
2.	185	+	128	=	313
3.	172	+	83	=	255
4.	103	+	63	=	166
5.	112	+	98	=	210
6.	109	+	65	=	174
7.	234	+	60	=	294
8.	166	+	129	=	295
9.	217	+	187	=	404
10.	109	+	54	=	163