Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	437	+		=	632
2.	407	+		=	790
3.	466	+		=	879
4.	279	+		=	434
5.	482	+		=	836
6.	378	+		=	489
7.	488	+		=	747
8.	257	+		=	467
9.	356	+		=	461
10.	403	+		=	557

Oefening 2
1.	247	+		=	348
2.	228	+		=	333
3.	276	+		=	479
4.	344	+		=	669
5.	377	+		=	566
6.	402	+		=	684
7.	271	+		=	429
8.	255	+		=	489
9.	317	+		=	563
10.	484	+		=	719

Oefening 3
1.	487	+		=	769
2.	353	+		=	492
3.	456	+		=	610
4.	366	+		=	595
5.	456	+		=	789
6.	328	+		=	497
7.	165	+		=	293
8.	472	+		=	738
9.	464	+		=	820
10.	231	+		=	454

Oefening 4
1.	348	+		=	571
2.	462	+		=	564
3.	456	+		=	844
4.	462	+		=	808
5.	471	+		=	616
6.	494	+		=	711
7.	486	+		=	906
8.	360	+		=	717
9.	352	+		=	664
10.	372	+		=	592

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	437	+	195	=	632
2.	407	+	383	=	790
3.	466	+	413	=	879
4.	279	+	155	=	434
5.	482	+	354	=	836
6.	378	+	111	=	489
7.	488	+	259	=	747
8.	257	+	210	=	467
9.	356	+	105	=	461
10.	403	+	154	=	557

Oefening 2
1.	247	+	101	=	348
2.	228	+	105	=	333
3.	276	+	203	=	479
4.	344	+	325	=	669
5.	377	+	189	=	566
6.	402	+	282	=	684
7.	271	+	158	=	429
8.	255	+	234	=	489
9.	317	+	246	=	563
10.	484	+	235	=	719

Oefening 3
1.	487	+	282	=	769
2.	353	+	139	=	492
3.	456	+	154	=	610
4.	366	+	229	=	595
5.	456	+	333	=	789
6.	328	+	169	=	497
7.	165	+	128	=	293
8.	472	+	266	=	738
9.	464	+	356	=	820
10.	231	+	223	=	454

Oefening 4
1.	348	+	223	=	571
2.	462	+	102	=	564
3.	456	+	388	=	844
4.	462	+	346	=	808
5.	471	+	145	=	616
6.	494	+	217	=	711
7.	486	+	420	=	906
8.	360	+	357	=	717
9.	352	+	312	=	664
10.	372	+	220	=	592