Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	574	+		=	827
2.	885	+		=	1.696
3.	614	+		=	1.017
4.	920	+		=	1.380
5.	657	+		=	1.136
6.	822	+		=	1.314
7.	724	+		=	1.023
8.	493	+		=	912
9.	987	+		=	1.274
10.	931	+		=	1.607

Oefening 2
1.	978	+		=	1.324
2.	975	+		=	1.404
3.	716	+		=	937
4.	396	+		=	709
5.	902	+		=	1.595
6.	485	+		=	752
7.	922	+		=	1.128
8.	701	+		=	997
9.	959	+		=	1.641
10.	633	+		=	1.030

Oefening 3
1.	653	+		=	1.155
2.	750	+		=	1.490
3.	535	+		=	896
4.	923	+		=	1.341
5.	685	+		=	1.167
6.	670	+		=	946
7.	868	+		=	1.421
8.	726	+		=	957
9.	789	+		=	1.481
10.	480	+		=	955

Oefening 4
1.	780	+		=	1.418
2.	982	+		=	1.873
3.	974	+		=	1.329
4.	625	+		=	1.185
5.	843	+		=	1.605
6.	510	+		=	995
7.	767	+		=	1.419
8.	494	+		=	798
9.	831	+		=	1.392
10.	677	+		=	1.304

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	574	+	253	=	827
2.	885	+	811	=	1.696
3.	614	+	403	=	1.017
4.	920	+	460	=	1.380
5.	657	+	479	=	1.136
6.	822	+	492	=	1.314
7.	724	+	299	=	1.023
8.	493	+	419	=	912
9.	987	+	287	=	1.274
10.	931	+	676	=	1.607

Oefening 2
1.	978	+	346	=	1.324
2.	975	+	429	=	1.404
3.	716	+	221	=	937
4.	396	+	313	=	709
5.	902	+	693	=	1.595
6.	485	+	267	=	752
7.	922	+	206	=	1.128
8.	701	+	296	=	997
9.	959	+	682	=	1.641
10.	633	+	397	=	1.030

Oefening 3
1.	653	+	502	=	1.155
2.	750	+	740	=	1.490
3.	535	+	361	=	896
4.	923	+	418	=	1.341
5.	685	+	482	=	1.167
6.	670	+	276	=	946
7.	868	+	553	=	1.421
8.	726	+	231	=	957
9.	789	+	692	=	1.481
10.	480	+	475	=	955

Oefening 4
1.	780	+	638	=	1.418
2.	982	+	891	=	1.873
3.	974	+	355	=	1.329
4.	625	+	560	=	1.185
5.	843	+	762	=	1.605
6.	510	+	485	=	995
7.	767	+	652	=	1.419
8.	494	+	304	=	798
9.	831	+	561	=	1.392
10.	677	+	627	=	1.304