Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	400	+		=	676
2.	488	+		=	726
3.	494	+		=	895
4.	225	+		=	348
5.	181	+		=	326
6.	498	+		=	929
7.	445	+		=	754
8.	350	+		=	563
9.	301	+		=	496
10.	425	+		=	813

Oefening 2
1.	462	+		=	874
2.	429	+		=	535
3.	474	+		=	676
4.	374	+		=	724
5.	412	+		=	674
6.	447	+		=	718
7.	465	+		=	874
8.	398	+		=	558
9.	301	+		=	404
10.	406	+		=	592

Oefening 3
1.	372	+		=	617
2.	358	+		=	646
3.	338	+		=	666
4.	337	+		=	584
5.	334	+		=	620
6.	447	+		=	588
7.	330	+		=	451
8.	210	+		=	333
9.	297	+		=	582
10.	342	+		=	601

Oefening 4
1.	223	+		=	406
2.	351	+		=	589
3.	360	+		=	585
4.	239	+		=	405
5.	375	+		=	639
6.	442	+		=	783
7.	398	+		=	622
8.	300	+		=	536
9.	456	+		=	897
10.	475	+		=	919

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	400	+	276	=	676
2.	488	+	238	=	726
3.	494	+	401	=	895
4.	225	+	123	=	348
5.	181	+	145	=	326
6.	498	+	431	=	929
7.	445	+	309	=	754
8.	350	+	213	=	563
9.	301	+	195	=	496
10.	425	+	388	=	813

Oefening 2
1.	462	+	412	=	874
2.	429	+	106	=	535
3.	474	+	202	=	676
4.	374	+	350	=	724
5.	412	+	262	=	674
6.	447	+	271	=	718
7.	465	+	409	=	874
8.	398	+	160	=	558
9.	301	+	103	=	404
10.	406	+	186	=	592

Oefening 3
1.	372	+	245	=	617
2.	358	+	288	=	646
3.	338	+	328	=	666
4.	337	+	247	=	584
5.	334	+	286	=	620
6.	447	+	141	=	588
7.	330	+	121	=	451
8.	210	+	123	=	333
9.	297	+	285	=	582
10.	342	+	259	=	601

Oefening 4
1.	223	+	183	=	406
2.	351	+	238	=	589
3.	360	+	225	=	585
4.	239	+	166	=	405
5.	375	+	264	=	639
6.	442	+	341	=	783
7.	398	+	224	=	622
8.	300	+	236	=	536
9.	456	+	441	=	897
10.	475	+	444	=	919