Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	384	+		=	577
2.	278	+		=	501
3.	429	+		=	795
4.	479	+		=	638
5.	289	+		=	507
6.	231	+		=	402
7.	344	+		=	555
8.	228	+		=	393
9.	404	+		=	645
10.	499	+		=	743

Oefening 2
1.	359	+		=	554
2.	165	+		=	307
3.	490	+		=	779
4.	161	+		=	292
5.	287	+		=	434
6.	413	+		=	545
7.	447	+		=	681
8.	348	+		=	514
9.	460	+		=	842
10.	309	+		=	487

Oefening 3
1.	299	+		=	499
2.	384	+		=	661
3.	348	+		=	664
4.	258	+		=	450
5.	492	+		=	843
6.	231	+		=	452
7.	482	+		=	805
8.	377	+		=	496
9.	447	+		=	630
10.	500	+		=	835

Oefening 4
1.	266	+		=	488
2.	322	+		=	607
3.	143	+		=	279
4.	272	+		=	461
5.	492	+		=	744
6.	376	+		=	613
7.	210	+		=	396
8.	496	+		=	754
9.	452	+		=	698
10.	371	+		=	569

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	384	+	193	=	577
2.	278	+	223	=	501
3.	429	+	366	=	795
4.	479	+	159	=	638
5.	289	+	218	=	507
6.	231	+	171	=	402
7.	344	+	211	=	555
8.	228	+	165	=	393
9.	404	+	241	=	645
10.	499	+	244	=	743

Oefening 2
1.	359	+	195	=	554
2.	165	+	142	=	307
3.	490	+	289	=	779
4.	161	+	131	=	292
5.	287	+	147	=	434
6.	413	+	132	=	545
7.	447	+	234	=	681
8.	348	+	166	=	514
9.	460	+	382	=	842
10.	309	+	178	=	487

Oefening 3
1.	299	+	200	=	499
2.	384	+	277	=	661
3.	348	+	316	=	664
4.	258	+	192	=	450
5.	492	+	351	=	843
6.	231	+	221	=	452
7.	482	+	323	=	805
8.	377	+	119	=	496
9.	447	+	183	=	630
10.	500	+	335	=	835

Oefening 4
1.	266	+	222	=	488
2.	322	+	285	=	607
3.	143	+	136	=	279
4.	272	+	189	=	461
5.	492	+	252	=	744
6.	376	+	237	=	613
7.	210	+	186	=	396
8.	496	+	258	=	754
9.	452	+	246	=	698
10.	371	+	198	=	569