Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	356	+		=	545
2.	448	+		=	892
3.	345	+		=	593
4.	248	+		=	352
5.	335	+		=	646
6.	500	+		=	667
7.	460	+		=	891
8.	318	+		=	421
9.	498	+		=	866
10.	459	+		=	733

Oefening 2
1.	384	+		=	555
2.	455	+		=	786
3.	300	+		=	597
4.	240	+		=	380
5.	375	+		=	687
6.	462	+		=	855
7.	394	+		=	669
8.	442	+		=	732
9.	451	+		=	765
10.	342	+		=	483

Oefening 3
1.	292	+		=	452
2.	428	+		=	571
3.	267	+		=	418
4.	409	+		=	592
5.	174	+		=	319
6.	372	+		=	702
7.	499	+		=	970
8.	464	+		=	700
9.	364	+		=	704
10.	335	+		=	478

Oefening 4
1.	434	+		=	840
2.	346	+		=	459
3.	264	+		=	364
4.	394	+		=	702
5.	417	+		=	668
6.	327	+		=	560
7.	472	+		=	725
8.	429	+		=	574
9.	451	+		=	729
10.	459	+		=	811

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	356	+	189	=	545
2.	448	+	444	=	892
3.	345	+	248	=	593
4.	248	+	104	=	352
5.	335	+	311	=	646
6.	500	+	167	=	667
7.	460	+	431	=	891
8.	318	+	103	=	421
9.	498	+	368	=	866
10.	459	+	274	=	733

Oefening 2
1.	384	+	171	=	555
2.	455	+	331	=	786
3.	300	+	297	=	597
4.	240	+	140	=	380
5.	375	+	312	=	687
6.	462	+	393	=	855
7.	394	+	275	=	669
8.	442	+	290	=	732
9.	451	+	314	=	765
10.	342	+	141	=	483

Oefening 3
1.	292	+	160	=	452
2.	428	+	143	=	571
3.	267	+	151	=	418
4.	409	+	183	=	592
5.	174	+	145	=	319
6.	372	+	330	=	702
7.	499	+	471	=	970
8.	464	+	236	=	700
9.	364	+	340	=	704
10.	335	+	143	=	478

Oefening 4
1.	434	+	406	=	840
2.	346	+	113	=	459
3.	264	+	100	=	364
4.	394	+	308	=	702
5.	417	+	251	=	668
6.	327	+	233	=	560
7.	472	+	253	=	725
8.	429	+	145	=	574
9.	451	+	278	=	729
10.	459	+	352	=	811