Erbijsommen met vlekken tot en met 1.000

Erbijsommen

Oefening 1
1.	474	+		=	633
2.	446	+		=	660
3.	368	+		=	522
4.	287	+		=	423
5.	440	+		=	847
6.	318	+		=	499
7.	276	+		=	509
8.	299	+		=	445
9.	498	+		=	901
10.	255	+		=	402

Oefening 2
1.	488	+		=	632
2.	260	+		=	470
3.	478	+		=	955
4.	467	+		=	847
5.	348	+		=	513
6.	404	+		=	569
7.	368	+		=	635
8.	304	+		=	475
9.	439	+		=	618
10.	314	+		=	494

Oefening 3
1.	482	+		=	821
2.	356	+		=	566
3.	263	+		=	478
4.	423	+		=	648
5.	478	+		=	954
6.	401	+		=	561
7.	350	+		=	548
8.	498	+		=	618
9.	320	+		=	601
10.	259	+		=	494

Oefening 4
1.	468	+		=	920
2.	412	+		=	757
3.	484	+		=	890
4.	227	+		=	353
5.	398	+		=	667
6.	452	+		=	618
7.	489	+		=	648
8.	251	+		=	401
9.	230	+		=	335
10.	410	+		=	819

Erbijsommen met vlekken tot en met 1.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	474	+	159	=	633
2.	446	+	214	=	660
3.	368	+	154	=	522
4.	287	+	136	=	423
5.	440	+	407	=	847
6.	318	+	181	=	499
7.	276	+	233	=	509
8.	299	+	146	=	445
9.	498	+	403	=	901
10.	255	+	147	=	402

Oefening 2
1.	488	+	144	=	632
2.	260	+	210	=	470
3.	478	+	477	=	955
4.	467	+	380	=	847
5.	348	+	165	=	513
6.	404	+	165	=	569
7.	368	+	267	=	635
8.	304	+	171	=	475
9.	439	+	179	=	618
10.	314	+	180	=	494

Oefening 3
1.	482	+	339	=	821
2.	356	+	210	=	566
3.	263	+	215	=	478
4.	423	+	225	=	648
5.	478	+	476	=	954
6.	401	+	160	=	561
7.	350	+	198	=	548
8.	498	+	120	=	618
9.	320	+	281	=	601
10.	259	+	235	=	494

Oefening 4
1.	468	+	452	=	920
2.	412	+	345	=	757
3.	484	+	406	=	890
4.	227	+	126	=	353
5.	398	+	269	=	667
6.	452	+	166	=	618
7.	489	+	159	=	648
8.	251	+	150	=	401
9.	230	+	105	=	335
10.	410	+	409	=	819