Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	969	+		=	1.246
2.	421	+		=	769
3.	847	+		=	1.299
4.	517	+		=	948
5.	968	+		=	1.509
6.	354	+		=	573
7.	996	+		=	1.827
8.	875	+		=	1.094
9.	977	+		=	1.692
10.	846	+		=	1.301

Oefening 2
1.	968	+		=	1.374
2.	489	+		=	744
3.	543	+		=	1.029
4.	630	+		=	912
5.	748	+		=	1.335
6.	803	+		=	1.517
7.	960	+		=	1.518
8.	520	+		=	908
9.	738	+		=	1.368
10.	728	+		=	1.306

Oefening 3
1.	556	+		=	933
2.	534	+		=	992
3.	704	+		=	1.322
4.	874	+		=	1.425
5.	869	+		=	1.386
6.	559	+		=	1.108
7.	848	+		=	1.076
8.	948	+		=	1.353
9.	620	+		=	1.002
10.	644	+		=	982

Oefening 4
1.	313	+		=	626
2.	901	+		=	1.389
3.	752	+		=	1.185
4.	781	+		=	1.538
5.	828	+		=	1.396
6.	927	+		=	1.233
7.	909	+		=	1.192
8.	915	+		=	1.389
9.	801	+		=	1.461
10.	885	+		=	1.348

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	969	+	277	=	1.246
2.	421	+	348	=	769
3.	847	+	452	=	1.299
4.	517	+	431	=	948
5.	968	+	541	=	1.509
6.	354	+	219	=	573
7.	996	+	831	=	1.827
8.	875	+	219	=	1.094
9.	977	+	715	=	1.692
10.	846	+	455	=	1.301

Oefening 2
1.	968	+	406	=	1.374
2.	489	+	255	=	744
3.	543	+	486	=	1.029
4.	630	+	282	=	912
5.	748	+	587	=	1.335
6.	803	+	714	=	1.517
7.	960	+	558	=	1.518
8.	520	+	388	=	908
9.	738	+	630	=	1.368
10.	728	+	578	=	1.306

Oefening 3
1.	556	+	377	=	933
2.	534	+	458	=	992
3.	704	+	618	=	1.322
4.	874	+	551	=	1.425
5.	869	+	517	=	1.386
6.	559	+	549	=	1.108
7.	848	+	228	=	1.076
8.	948	+	405	=	1.353
9.	620	+	382	=	1.002
10.	644	+	338	=	982

Oefening 4
1.	313	+	313	=	626
2.	901	+	488	=	1.389
3.	752	+	433	=	1.185
4.	781	+	757	=	1.538
5.	828	+	568	=	1.396
6.	927	+	306	=	1.233
7.	909	+	283	=	1.192
8.	915	+	474	=	1.389
9.	801	+	660	=	1.461
10.	885	+	463	=	1.348