Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	250	+		=	456
2.	166	+		=	217
3.	204	+		=	404
4.	249	+		=	478
5.	218	+		=	400
6.	225	+		=	394
7.	226	+		=	289
8.	111	+		=	192
9.	231	+		=	449
10.	133	+		=	257

Oefening 2
1.	149	+		=	226
2.	137	+		=	198
3.	92	+		=	167
4.	146	+		=	274
5.	196	+		=	387
6.	101	+		=	187
7.	125	+		=	217
8.	119	+		=	171
9.	214	+		=	376
10.	241	+		=	455

Oefening 3
1.	236	+		=	383
2.	179	+		=	298
3.	243	+		=	405
4.	218	+		=	273
5.	145	+		=	278
6.	184	+		=	368
7.	234	+		=	391
8.	169	+		=	261
9.	198	+		=	318
10.	139	+		=	262

Oefening 4
1.	231	+		=	340
2.	250	+		=	412
3.	250	+		=	450
4.	172	+		=	341
5.	190	+		=	362
6.	247	+		=	362
7.	128	+		=	183
8.	169	+		=	262
9.	240	+		=	389
10.	188	+		=	295

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	250	+	206	=	456
2.	166	+	51	=	217
3.	204	+	200	=	404
4.	249	+	229	=	478
5.	218	+	182	=	400
6.	225	+	169	=	394
7.	226	+	63	=	289
8.	111	+	81	=	192
9.	231	+	218	=	449
10.	133	+	124	=	257

Oefening 2
1.	149	+	77	=	226
2.	137	+	61	=	198
3.	92	+	75	=	167
4.	146	+	128	=	274
5.	196	+	191	=	387
6.	101	+	86	=	187
7.	125	+	92	=	217
8.	119	+	52	=	171
9.	214	+	162	=	376
10.	241	+	214	=	455

Oefening 3
1.	236	+	147	=	383
2.	179	+	119	=	298
3.	243	+	162	=	405
4.	218	+	55	=	273
5.	145	+	133	=	278
6.	184	+	184	=	368
7.	234	+	157	=	391
8.	169	+	92	=	261
9.	198	+	120	=	318
10.	139	+	123	=	262

Oefening 4
1.	231	+	109	=	340
2.	250	+	162	=	412
3.	250	+	200	=	450
4.	172	+	169	=	341
5.	190	+	172	=	362
6.	247	+	115	=	362
7.	128	+	55	=	183
8.	169	+	93	=	262
9.	240	+	149	=	389
10.	188	+	107	=	295