Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	796	+		=	1.450
2.	719	+		=	1.402
3.	657	+		=	1.061
4.	458	+		=	790
5.	589	+		=	1.132
6.	378	+		=	712
7.	995	+		=	1.370
8.	845	+		=	1.614
9.	772	+		=	1.337
10.	744	+		=	1.365

Oefening 2
1.	878	+		=	1.309
2.	354	+		=	692
3.	867	+		=	1.626
4.	762	+		=	1.220
5.	858	+		=	1.479
6.	445	+		=	799
7.	767	+		=	996
8.	715	+		=	959
9.	742	+		=	1.065
10.	653	+		=	939

Oefening 3
1.	911	+		=	1.387
2.	986	+		=	1.731
3.	903	+		=	1.278
4.	429	+		=	850
5.	533	+		=	1.016
6.	892	+		=	1.458
7.	734	+		=	1.063
8.	514	+		=	980
9.	490	+		=	925
10.	768	+		=	1.115

Oefening 4
1.	675	+		=	1.189
2.	512	+		=	1.010
3.	863	+		=	1.491
4.	867	+		=	1.477
5.	596	+		=	1.012
6.	958	+		=	1.909
7.	745	+		=	1.148
8.	940	+		=	1.779
9.	920	+		=	1.710
10.	861	+		=	1.462

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	796	+	654	=	1.450
2.	719	+	683	=	1.402
3.	657	+	404	=	1.061
4.	458	+	332	=	790
5.	589	+	543	=	1.132
6.	378	+	334	=	712
7.	995	+	375	=	1.370
8.	845	+	769	=	1.614
9.	772	+	565	=	1.337
10.	744	+	621	=	1.365

Oefening 2
1.	878	+	431	=	1.309
2.	354	+	338	=	692
3.	867	+	759	=	1.626
4.	762	+	458	=	1.220
5.	858	+	621	=	1.479
6.	445	+	354	=	799
7.	767	+	229	=	996
8.	715	+	244	=	959
9.	742	+	323	=	1.065
10.	653	+	286	=	939

Oefening 3
1.	911	+	476	=	1.387
2.	986	+	745	=	1.731
3.	903	+	375	=	1.278
4.	429	+	421	=	850
5.	533	+	483	=	1.016
6.	892	+	566	=	1.458
7.	734	+	329	=	1.063
8.	514	+	466	=	980
9.	490	+	435	=	925
10.	768	+	347	=	1.115

Oefening 4
1.	675	+	514	=	1.189
2.	512	+	498	=	1.010
3.	863	+	628	=	1.491
4.	867	+	610	=	1.477
5.	596	+	416	=	1.012
6.	958	+	951	=	1.909
7.	745	+	403	=	1.148
8.	940	+	839	=	1.779
9.	920	+	790	=	1.710
10.	861	+	601	=	1.462