Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	910	+		=	1.521
2.	456	+		=	868
3.	453	+		=	756
4.	947	+		=	1.265
5.	716	+		=	1.082
6.	977	+		=	1.545
7.	452	+		=	728
8.	235	+		=	446
9.	709	+		=	1.220
10.	831	+		=	1.259

Oefening 2
1.	825	+		=	1.423
2.	324	+		=	647
3.	850	+		=	1.605
4.	725	+		=	1.312
5.	813	+		=	1.573
6.	788	+		=	1.304
7.	584	+		=	823
8.	593	+		=	852
9.	626	+		=	966
10.	959	+		=	1.329

Oefening 3
1.	363	+		=	687
2.	959	+		=	1.582
3.	987	+		=	1.350
4.	985	+		=	1.351
5.	556	+		=	981
6.	771	+		=	1.407
7.	895	+		=	1.383
8.	931	+		=	1.255
9.	858	+		=	1.198
10.	958	+		=	1.805

Oefening 4
1.	358	+		=	620
2.	730	+		=	945
3.	932	+		=	1.519
4.	353	+		=	635
5.	702	+		=	1.350
6.	775	+		=	1.095
7.	937	+		=	1.298
8.	975	+		=	1.785
9.	559	+		=	877
10.	863	+		=	1.162

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	910	+	611	=	1.521
2.	456	+	412	=	868
3.	453	+	303	=	756
4.	947	+	318	=	1.265
5.	716	+	366	=	1.082
6.	977	+	568	=	1.545
7.	452	+	276	=	728
8.	235	+	211	=	446
9.	709	+	511	=	1.220
10.	831	+	428	=	1.259

Oefening 2
1.	825	+	598	=	1.423
2.	324	+	323	=	647
3.	850	+	755	=	1.605
4.	725	+	587	=	1.312
5.	813	+	760	=	1.573
6.	788	+	516	=	1.304
7.	584	+	239	=	823
8.	593	+	259	=	852
9.	626	+	340	=	966
10.	959	+	370	=	1.329

Oefening 3
1.	363	+	324	=	687
2.	959	+	623	=	1.582
3.	987	+	363	=	1.350
4.	985	+	366	=	1.351
5.	556	+	425	=	981
6.	771	+	636	=	1.407
7.	895	+	488	=	1.383
8.	931	+	324	=	1.255
9.	858	+	340	=	1.198
10.	958	+	847	=	1.805

Oefening 4
1.	358	+	262	=	620
2.	730	+	215	=	945
3.	932	+	587	=	1.519
4.	353	+	282	=	635
5.	702	+	648	=	1.350
6.	775	+	320	=	1.095
7.	937	+	361	=	1.298
8.	975	+	810	=	1.785
9.	559	+	318	=	877
10.	863	+	299	=	1.162