Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	239	+		=	446
2.	199	+		=	322
3.	137	+		=	258
4.	131	+		=	216
5.	131	+		=	236
6.	174	+		=	332
7.	167	+		=	298
8.	129	+		=	193
9.	98	+		=	150
10.	204	+		=	364

Oefening 2
1.	169	+		=	337
2.	195	+		=	259
3.	111	+		=	206
4.	231	+		=	371
5.	217	+		=	299
6.	176	+		=	336
7.	230	+		=	422
8.	218	+		=	398
9.	211	+		=	267
10.	119	+		=	237

Oefening 3
1.	134	+		=	227
2.	135	+		=	186
3.	232	+		=	363
4.	238	+		=	372
5.	72	+		=	123
6.	147	+		=	238
7.	188	+		=	349
8.	229	+		=	373
9.	111	+		=	161
10.	203	+		=	395

Oefening 4
1.	159	+		=	315
2.	234	+		=	409
3.	149	+		=	215
4.	178	+		=	330
5.	190	+		=	265
6.	217	+		=	361
7.	170	+		=	325
8.	118	+		=	208
9.	198	+		=	266
10.	219	+		=	308

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	239	+	207	=	446
2.	199	+	123	=	322
3.	137	+	121	=	258
4.	131	+	85	=	216
5.	131	+	105	=	236
6.	174	+	158	=	332
7.	167	+	131	=	298
8.	129	+	64	=	193
9.	98	+	52	=	150
10.	204	+	160	=	364

Oefening 2
1.	169	+	168	=	337
2.	195	+	64	=	259
3.	111	+	95	=	206
4.	231	+	140	=	371
5.	217	+	82	=	299
6.	176	+	160	=	336
7.	230	+	192	=	422
8.	218	+	180	=	398
9.	211	+	56	=	267
10.	119	+	118	=	237

Oefening 3
1.	134	+	93	=	227
2.	135	+	51	=	186
3.	232	+	131	=	363
4.	238	+	134	=	372
5.	72	+	51	=	123
6.	147	+	91	=	238
7.	188	+	161	=	349
8.	229	+	144	=	373
9.	111	+	50	=	161
10.	203	+	192	=	395

Oefening 4
1.	159	+	156	=	315
2.	234	+	175	=	409
3.	149	+	66	=	215
4.	178	+	152	=	330
5.	190	+	75	=	265
6.	217	+	144	=	361
7.	170	+	155	=	325
8.	118	+	90	=	208
9.	198	+	68	=	266
10.	219	+	89	=	308