Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	190	+		=	255
2.	148	+		=	236
3.	71	+		=	136
4.	178	+		=	332
5.	172	+		=	246
6.	219	+		=	366
7.	148	+		=	229
8.	233	+		=	349
9.	174	+		=	245
10.	233	+		=	458

Oefening 2
1.	235	+		=	470
2.	243	+		=	417
3.	228	+		=	434
4.	204	+		=	378
5.	201	+		=	265
6.	168	+		=	247
7.	174	+		=	326
8.	202	+		=	343
9.	234	+		=	428
10.	176	+		=	247

Oefening 3
1.	151	+		=	252
2.	164	+		=	315
3.	81	+		=	142
4.	180	+		=	287
5.	223	+		=	274
6.	208	+		=	391
7.	157	+		=	210
8.	175	+		=	282
9.	237	+		=	398
10.	250	+		=	300

Oefening 4
1.	154	+		=	225
2.	109	+		=	170
3.	247	+		=	405
4.	122	+		=	174
5.	224	+		=	288
6.	240	+		=	451
7.	116	+		=	176
8.	250	+		=	377
9.	192	+		=	325
10.	135	+		=	232

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	190	+	65	=	255
2.	148	+	88	=	236
3.	71	+	65	=	136
4.	178	+	154	=	332
5.	172	+	74	=	246
6.	219	+	147	=	366
7.	148	+	81	=	229
8.	233	+	116	=	349
9.	174	+	71	=	245
10.	233	+	225	=	458

Oefening 2
1.	235	+	235	=	470
2.	243	+	174	=	417
3.	228	+	206	=	434
4.	204	+	174	=	378
5.	201	+	64	=	265
6.	168	+	79	=	247
7.	174	+	152	=	326
8.	202	+	141	=	343
9.	234	+	194	=	428
10.	176	+	71	=	247

Oefening 3
1.	151	+	101	=	252
2.	164	+	151	=	315
3.	81	+	61	=	142
4.	180	+	107	=	287
5.	223	+	51	=	274
6.	208	+	183	=	391
7.	157	+	53	=	210
8.	175	+	107	=	282
9.	237	+	161	=	398
10.	250	+	50	=	300

Oefening 4
1.	154	+	71	=	225
2.	109	+	61	=	170
3.	247	+	158	=	405
4.	122	+	52	=	174
5.	224	+	64	=	288
6.	240	+	211	=	451
7.	116	+	60	=	176
8.	250	+	127	=	377
9.	192	+	133	=	325
10.	135	+	97	=	232