Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	155	+		=	300
2.	121	+		=	214
3.	249	+		=	372
4.	92	+		=	181
5.	162	+		=	244
6.	119	+		=	234
7.	245	+		=	468
8.	113	+		=	178
9.	222	+		=	361
10.	226	+		=	339

Oefening 2
1.	130	+		=	201
2.	137	+		=	222
3.	211	+		=	267
4.	227	+		=	280
5.	138	+		=	237
6.	200	+		=	275
7.	203	+		=	285
8.	70	+		=	134
9.	196	+		=	316
10.	173	+		=	230

Oefening 3
1.	153	+		=	262
2.	224	+		=	280
3.	229	+		=	342
4.	248	+		=	406
5.	200	+		=	337
6.	166	+		=	303
7.	201	+		=	352
8.	248	+		=	378
9.	248	+		=	361
10.	238	+		=	461

Oefening 4
1.	159	+		=	301
2.	244	+		=	346
3.	188	+		=	242
4.	250	+		=	445
5.	190	+		=	347
6.	202	+		=	253
7.	192	+		=	292
8.	131	+		=	261
9.	123	+		=	180
10.	105	+		=	206

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	155	+	145	=	300
2.	121	+	93	=	214
3.	249	+	123	=	372
4.	92	+	89	=	181
5.	162	+	82	=	244
6.	119	+	115	=	234
7.	245	+	223	=	468
8.	113	+	65	=	178
9.	222	+	139	=	361
10.	226	+	113	=	339

Oefening 2
1.	130	+	71	=	201
2.	137	+	85	=	222
3.	211	+	56	=	267
4.	227	+	53	=	280
5.	138	+	99	=	237
6.	200	+	75	=	275
7.	203	+	82	=	285
8.	70	+	64	=	134
9.	196	+	120	=	316
10.	173	+	57	=	230

Oefening 3
1.	153	+	109	=	262
2.	224	+	56	=	280
3.	229	+	113	=	342
4.	248	+	158	=	406
5.	200	+	137	=	337
6.	166	+	137	=	303
7.	201	+	151	=	352
8.	248	+	130	=	378
9.	248	+	113	=	361
10.	238	+	223	=	461

Oefening 4
1.	159	+	142	=	301
2.	244	+	102	=	346
3.	188	+	54	=	242
4.	250	+	195	=	445
5.	190	+	157	=	347
6.	202	+	51	=	253
7.	192	+	100	=	292
8.	131	+	130	=	261
9.	123	+	57	=	180
10.	105	+	101	=	206