Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	414	+		=	661
2.	437	+		=	818
3.	455	+		=	598
4.	343	+		=	611
5.	429	+		=	771
6.	471	+		=	666
7.	327	+		=	475
8.	396	+		=	633
9.	481	+		=	680
10.	355	+		=	698

Oefening 2
1.	208	+		=	380
2.	436	+		=	596
3.	434	+		=	839
4.	103	+		=	204
5.	410	+		=	519
6.	468	+		=	766
7.	335	+		=	452
8.	330	+		=	550
9.	222	+		=	429
10.	478	+		=	744

Oefening 3
1.	373	+		=	714
2.	326	+		=	476
3.	497	+		=	982
4.	377	+		=	504
5.	451	+		=	840
6.	460	+		=	856
7.	271	+		=	511
8.	368	+		=	524
9.	322	+		=	599
10.	302	+		=	500

Oefening 4
1.	231	+		=	344
2.	359	+		=	534
3.	409	+		=	586
4.	404	+		=	683
5.	476	+		=	658
6.	454	+		=	677
7.	437	+		=	585
8.	458	+		=	595
9.	373	+		=	601
10.	496	+		=	915

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	414	+	247	=	661
2.	437	+	381	=	818
3.	455	+	143	=	598
4.	343	+	268	=	611
5.	429	+	342	=	771
6.	471	+	195	=	666
7.	327	+	148	=	475
8.	396	+	237	=	633
9.	481	+	199	=	680
10.	355	+	343	=	698

Oefening 2
1.	208	+	172	=	380
2.	436	+	160	=	596
3.	434	+	405	=	839
4.	103	+	101	=	204
5.	410	+	109	=	519
6.	468	+	298	=	766
7.	335	+	117	=	452
8.	330	+	220	=	550
9.	222	+	207	=	429
10.	478	+	266	=	744

Oefening 3
1.	373	+	341	=	714
2.	326	+	150	=	476
3.	497	+	485	=	982
4.	377	+	127	=	504
5.	451	+	389	=	840
6.	460	+	396	=	856
7.	271	+	240	=	511
8.	368	+	156	=	524
9.	322	+	277	=	599
10.	302	+	198	=	500

Oefening 4
1.	231	+	113	=	344
2.	359	+	175	=	534
3.	409	+	177	=	586
4.	404	+	279	=	683
5.	476	+	182	=	658
6.	454	+	223	=	677
7.	437	+	148	=	585
8.	458	+	137	=	595
9.	373	+	228	=	601
10.	496	+	419	=	915