Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	982	+		=	1.509
2.	985	+		=	1.839
3.	840	+		=	1.408
4.	603	+		=	843
5.	865	+		=	1.424
6.	707	+		=	985
7.	892	+		=	1.304
8.	975	+		=	1.697
9.	919	+		=	1.516
10.	723	+		=	1.300

Oefening 2
1.	535	+		=	749
2.	911	+		=	1.190
3.	815	+		=	1.162
4.	653	+		=	1.057
5.	552	+		=	1.005
6.	669	+		=	1.057
7.	881	+		=	1.179
8.	919	+		=	1.369
9.	507	+		=	920
10.	909	+		=	1.671

Oefening 3
1.	752	+		=	1.046
2.	954	+		=	1.408
3.	536	+		=	736
4.	588	+		=	895
5.	980	+		=	1.751
6.	520	+		=	983
7.	424	+		=	744
8.	634	+		=	949
9.	826	+		=	1.606
10.	744	+		=	1.143

Oefening 4
1.	680	+		=	1.295
2.	546	+		=	906
3.	862	+		=	1.585
4.	677	+		=	1.128
5.	512	+		=	903
6.	889	+		=	1.680
7.	742	+		=	1.217
8.	810	+		=	1.535
9.	890	+		=	1.608
10.	952	+		=	1.403

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	982	+	527	=	1.509
2.	985	+	854	=	1.839
3.	840	+	568	=	1.408
4.	603	+	240	=	843
5.	865	+	559	=	1.424
6.	707	+	278	=	985
7.	892	+	412	=	1.304
8.	975	+	722	=	1.697
9.	919	+	597	=	1.516
10.	723	+	577	=	1.300

Oefening 2
1.	535	+	214	=	749
2.	911	+	279	=	1.190
3.	815	+	347	=	1.162
4.	653	+	404	=	1.057
5.	552	+	453	=	1.005
6.	669	+	388	=	1.057
7.	881	+	298	=	1.179
8.	919	+	450	=	1.369
9.	507	+	413	=	920
10.	909	+	762	=	1.671

Oefening 3
1.	752	+	294	=	1.046
2.	954	+	454	=	1.408
3.	536	+	200	=	736
4.	588	+	307	=	895
5.	980	+	771	=	1.751
6.	520	+	463	=	983
7.	424	+	320	=	744
8.	634	+	315	=	949
9.	826	+	780	=	1.606
10.	744	+	399	=	1.143

Oefening 4
1.	680	+	615	=	1.295
2.	546	+	360	=	906
3.	862	+	723	=	1.585
4.	677	+	451	=	1.128
5.	512	+	391	=	903
6.	889	+	791	=	1.680
7.	742	+	475	=	1.217
8.	810	+	725	=	1.535
9.	890	+	718	=	1.608
10.	952	+	451	=	1.403