Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	485	+		=	910
2.	386	+		=	510
3.	484	+		=	601
4.	463	+		=	689
5.	482	+		=	629
6.	227	+		=	394
7.	278	+		=	504
8.	380	+		=	549
9.	397	+		=	764
10.	387	+		=	521

Oefening 2
1.	459	+		=	560
2.	215	+		=	333
3.	238	+		=	468
4.	395	+		=	755
5.	492	+		=	687
6.	476	+		=	790
7.	431	+		=	640
8.	400	+		=	798
9.	420	+		=	743
10.	274	+		=	443

Oefening 3
1.	272	+		=	420
2.	458	+		=	737
3.	411	+		=	733
4.	331	+		=	507
5.	486	+		=	680
6.	337	+		=	531
7.	312	+		=	556
8.	287	+		=	520
9.	265	+		=	429
10.	300	+		=	511

Oefening 4
1.	466	+		=	753
2.	498	+		=	720
3.	208	+		=	312
4.	219	+		=	388
5.	456	+		=	573
6.	477	+		=	652
7.	340	+		=	579
8.	380	+		=	493
9.	381	+		=	757
10.	330	+		=	434

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	485	+	425	=	910
2.	386	+	124	=	510
3.	484	+	117	=	601
4.	463	+	226	=	689
5.	482	+	147	=	629
6.	227	+	167	=	394
7.	278	+	226	=	504
8.	380	+	169	=	549
9.	397	+	367	=	764
10.	387	+	134	=	521

Oefening 2
1.	459	+	101	=	560
2.	215	+	118	=	333
3.	238	+	230	=	468
4.	395	+	360	=	755
5.	492	+	195	=	687
6.	476	+	314	=	790
7.	431	+	209	=	640
8.	400	+	398	=	798
9.	420	+	323	=	743
10.	274	+	169	=	443

Oefening 3
1.	272	+	148	=	420
2.	458	+	279	=	737
3.	411	+	322	=	733
4.	331	+	176	=	507
5.	486	+	194	=	680
6.	337	+	194	=	531
7.	312	+	244	=	556
8.	287	+	233	=	520
9.	265	+	164	=	429
10.	300	+	211	=	511

Oefening 4
1.	466	+	287	=	753
2.	498	+	222	=	720
3.	208	+	104	=	312
4.	219	+	169	=	388
5.	456	+	117	=	573
6.	477	+	175	=	652
7.	340	+	239	=	579
8.	380	+	113	=	493
9.	381	+	376	=	757
10.	330	+	104	=	434