Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	573	+		=	851
2.	898	+		=	1.368
3.	849	+		=	1.519
4.	780	+		=	1.232
5.	984	+		=	1.675
6.	882	+		=	1.405
7.	672	+		=	906
8.	497	+		=	725
9.	786	+		=	1.475
10.	396	+		=	716

Oefening 2
1.	618	+		=	826
2.	903	+		=	1.623
3.	637	+		=	991
4.	637	+		=	912
5.	441	+		=	815
6.	927	+		=	1.628
7.	826	+		=	1.196
8.	873	+		=	1.412
9.	946	+		=	1.244
10.	925	+		=	1.294

Oefening 3
1.	643	+		=	912
2.	772	+		=	1.286
3.	569	+		=	863
4.	750	+		=	1.105
5.	939	+		=	1.680
6.	692	+		=	1.345
7.	532	+		=	1.006
8.	833	+		=	1.062
9.	913	+		=	1.412
10.	984	+		=	1.729

Oefening 4
1.	903	+		=	1.738
2.	495	+		=	844
3.	404	+		=	774
4.	956	+		=	1.518
5.	550	+		=	826
6.	990	+		=	1.719
7.	631	+		=	1.062
8.	636	+		=	975
9.	881	+		=	1.571
10.	626	+		=	891

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	573	+	278	=	851
2.	898	+	470	=	1.368
3.	849	+	670	=	1.519
4.	780	+	452	=	1.232
5.	984	+	691	=	1.675
6.	882	+	523	=	1.405
7.	672	+	234	=	906
8.	497	+	228	=	725
9.	786	+	689	=	1.475
10.	396	+	320	=	716

Oefening 2
1.	618	+	208	=	826
2.	903	+	720	=	1.623
3.	637	+	354	=	991
4.	637	+	275	=	912
5.	441	+	374	=	815
6.	927	+	701	=	1.628
7.	826	+	370	=	1.196
8.	873	+	539	=	1.412
9.	946	+	298	=	1.244
10.	925	+	369	=	1.294

Oefening 3
1.	643	+	269	=	912
2.	772	+	514	=	1.286
3.	569	+	294	=	863
4.	750	+	355	=	1.105
5.	939	+	741	=	1.680
6.	692	+	653	=	1.345
7.	532	+	474	=	1.006
8.	833	+	229	=	1.062
9.	913	+	499	=	1.412
10.	984	+	745	=	1.729

Oefening 4
1.	903	+	835	=	1.738
2.	495	+	349	=	844
3.	404	+	370	=	774
4.	956	+	562	=	1.518
5.	550	+	276	=	826
6.	990	+	729	=	1.719
7.	631	+	431	=	1.062
8.	636	+	339	=	975
9.	881	+	690	=	1.571
10.	626	+	265	=	891