Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	183	+		=	298
2.	234	+		=	373
3.	171	+		=	319
4.	455	+		=	890
5.	342	+		=	573
6.	459	+		=	674
7.	255	+		=	492
8.	422	+		=	547
9.	381	+		=	561
10.	428	+		=	767

Oefening 2
1.	410	+		=	694
2.	393	+		=	780
3.	251	+		=	351
4.	498	+		=	606
5.	376	+		=	610
6.	435	+		=	707
7.	368	+		=	735
8.	423	+		=	773
9.	419	+		=	625
10.	291	+		=	443

Oefening 3
1.	237	+		=	462
2.	457	+		=	665
3.	382	+		=	753
4.	396	+		=	738
5.	453	+		=	625
6.	443	+		=	793
7.	211	+		=	349
8.	455	+		=	835
9.	289	+		=	478
10.	240	+		=	428

Oefening 4
1.	428	+		=	625
2.	401	+		=	780
3.	321	+		=	466
4.	326	+		=	514
5.	497	+		=	684
6.	228	+		=	419
7.	235	+		=	404
8.	353	+		=	623
9.	468	+		=	595
10.	461	+		=	736

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	183	+	115	=	298
2.	234	+	139	=	373
3.	171	+	148	=	319
4.	455	+	435	=	890
5.	342	+	231	=	573
6.	459	+	215	=	674
7.	255	+	237	=	492
8.	422	+	125	=	547
9.	381	+	180	=	561
10.	428	+	339	=	767

Oefening 2
1.	410	+	284	=	694
2.	393	+	387	=	780
3.	251	+	100	=	351
4.	498	+	108	=	606
5.	376	+	234	=	610
6.	435	+	272	=	707
7.	368	+	367	=	735
8.	423	+	350	=	773
9.	419	+	206	=	625
10.	291	+	152	=	443

Oefening 3
1.	237	+	225	=	462
2.	457	+	208	=	665
3.	382	+	371	=	753
4.	396	+	342	=	738
5.	453	+	172	=	625
6.	443	+	350	=	793
7.	211	+	138	=	349
8.	455	+	380	=	835
9.	289	+	189	=	478
10.	240	+	188	=	428

Oefening 4
1.	428	+	197	=	625
2.	401	+	379	=	780
3.	321	+	145	=	466
4.	326	+	188	=	514
5.	497	+	187	=	684
6.	228	+	191	=	419
7.	235	+	169	=	404
8.	353	+	270	=	623
9.	468	+	127	=	595
10.	461	+	275	=	736