Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	382	+		=	490
2.	293	+		=	431
3.	237	+		=	409
4.	376	+		=	750
5.	385	+		=	698
6.	491	+		=	832
7.	453	+		=	827
8.	321	+		=	576
9.	422	+		=	530
10.	405	+		=	793

Oefening 2
1.	145	+		=	278
2.	206	+		=	398
3.	385	+		=	681
4.	199	+		=	337
5.	204	+		=	395
6.	492	+		=	766
7.	459	+		=	807
8.	481	+		=	789
9.	411	+		=	767
10.	464	+		=	914

Oefening 3
1.	428	+		=	813
2.	336	+		=	571
3.	142	+		=	253
4.	249	+		=	450
5.	204	+		=	401
6.	311	+		=	477
7.	164	+		=	273
8.	176	+		=	348
9.	239	+		=	455
10.	173	+		=	346

Oefening 4
1.	450	+		=	638
2.	390	+		=	633
3.	249	+		=	443
4.	167	+		=	270
5.	304	+		=	538
6.	495	+		=	800
7.	431	+		=	743
8.	493	+		=	690
9.	500	+		=	756
10.	352	+		=	526

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	382	+	108	=	490
2.	293	+	138	=	431
3.	237	+	172	=	409
4.	376	+	374	=	750
5.	385	+	313	=	698
6.	491	+	341	=	832
7.	453	+	374	=	827
8.	321	+	255	=	576
9.	422	+	108	=	530
10.	405	+	388	=	793

Oefening 2
1.	145	+	133	=	278
2.	206	+	192	=	398
3.	385	+	296	=	681
4.	199	+	138	=	337
5.	204	+	191	=	395
6.	492	+	274	=	766
7.	459	+	348	=	807
8.	481	+	308	=	789
9.	411	+	356	=	767
10.	464	+	450	=	914

Oefening 3
1.	428	+	385	=	813
2.	336	+	235	=	571
3.	142	+	111	=	253
4.	249	+	201	=	450
5.	204	+	197	=	401
6.	311	+	166	=	477
7.	164	+	109	=	273
8.	176	+	172	=	348
9.	239	+	216	=	455
10.	173	+	173	=	346

Oefening 4
1.	450	+	188	=	638
2.	390	+	243	=	633
3.	249	+	194	=	443
4.	167	+	103	=	270
5.	304	+	234	=	538
6.	495	+	305	=	800
7.	431	+	312	=	743
8.	493	+	197	=	690
9.	500	+	256	=	756
10.	352	+	174	=	526