Erbijsommen met vlekken tot en met 500

Erbijsommen

Oefening 1
1.	216	+		=	344
2.	232	+		=	429
3.	110	+		=	162
4.	239	+		=	373
5.	172	+		=	288
6.	230	+		=	362
7.	175	+		=	344
8.	197	+		=	265
9.	224	+		=	276
10.	180	+		=	334

Oefening 2
1.	214	+		=	328
2.	113	+		=	221
3.	174	+		=	324
4.	168	+		=	284
5.	228	+		=	311
6.	225	+		=	311
7.	86	+		=	154
8.	227	+		=	323
9.	241	+		=	456
10.	249	+		=	453

Oefening 3
1.	245	+		=	307
2.	196	+		=	383
3.	180	+		=	316
4.	223	+		=	274
5.	243	+		=	389
6.	235	+		=	418
7.	91	+		=	171
8.	152	+		=	205
9.	180	+		=	263
10.	245	+		=	454

Oefening 4
1.	229	+		=	419
2.	166	+		=	274
3.	86	+		=	145
4.	177	+		=	288
5.	155	+		=	291
6.	90	+		=	144
7.	223	+		=	372
8.	140	+		=	277
9.	214	+		=	303
10.	167	+		=	260

Erbijsommen met vlekken tot en met 500
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	216	+	128	=	344
2.	232	+	197	=	429
3.	110	+	52	=	162
4.	239	+	134	=	373
5.	172	+	116	=	288
6.	230	+	132	=	362
7.	175	+	169	=	344
8.	197	+	68	=	265
9.	224	+	52	=	276
10.	180	+	154	=	334

Oefening 2
1.	214	+	114	=	328
2.	113	+	108	=	221
3.	174	+	150	=	324
4.	168	+	116	=	284
5.	228	+	83	=	311
6.	225	+	86	=	311
7.	86	+	68	=	154
8.	227	+	96	=	323
9.	241	+	215	=	456
10.	249	+	204	=	453

Oefening 3
1.	245	+	62	=	307
2.	196	+	187	=	383
3.	180	+	136	=	316
4.	223	+	51	=	274
5.	243	+	146	=	389
6.	235	+	183	=	418
7.	91	+	80	=	171
8.	152	+	53	=	205
9.	180	+	83	=	263
10.	245	+	209	=	454

Oefening 4
1.	229	+	190	=	419
2.	166	+	108	=	274
3.	86	+	59	=	145
4.	177	+	111	=	288
5.	155	+	136	=	291
6.	90	+	54	=	144
7.	223	+	149	=	372
8.	140	+	137	=	277
9.	214	+	89	=	303
10.	167	+	93	=	260