Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	527	+		=	875
2.	747	+		=	1.488
3.	723	+		=	953
4.	928	+		=	1.604
5.	925	+		=	1.483
6.	986	+		=	1.884
7.	737	+		=	980
8.	737	+		=	1.360
9.	917	+		=	1.403
10.	958	+		=	1.450

Oefening 2
1.	845	+		=	1.430
2.	489	+		=	747
3.	915	+		=	1.181
4.	936	+		=	1.219
5.	510	+		=	905
6.	878	+		=	1.332
7.	886	+		=	1.131
8.	863	+		=	1.492
9.	428	+		=	764
10.	905	+		=	1.713

Oefening 3
1.	728	+		=	937
2.	979	+		=	1.191
3.	952	+		=	1.870
4.	696	+		=	1.090
5.	643	+		=	889
6.	367	+		=	630
7.	954	+		=	1.871
8.	903	+		=	1.123
9.	813	+		=	1.532
10.	809	+		=	1.125

Oefening 4
1.	636	+		=	1.202
2.	770	+		=	1.266
3.	216	+		=	426
4.	612	+		=	1.131
5.	875	+		=	1.427
6.	681	+		=	1.337
7.	926	+		=	1.236
8.	296	+		=	543
9.	718	+		=	1.319
10.	310	+		=	586

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	527	+	348	=	875
2.	747	+	741	=	1.488
3.	723	+	230	=	953
4.	928	+	676	=	1.604
5.	925	+	558	=	1.483
6.	986	+	898	=	1.884
7.	737	+	243	=	980
8.	737	+	623	=	1.360
9.	917	+	486	=	1.403
10.	958	+	492	=	1.450

Oefening 2
1.	845	+	585	=	1.430
2.	489	+	258	=	747
3.	915	+	266	=	1.181
4.	936	+	283	=	1.219
5.	510	+	395	=	905
6.	878	+	454	=	1.332
7.	886	+	245	=	1.131
8.	863	+	629	=	1.492
9.	428	+	336	=	764
10.	905	+	808	=	1.713

Oefening 3
1.	728	+	209	=	937
2.	979	+	212	=	1.191
3.	952	+	918	=	1.870
4.	696	+	394	=	1.090
5.	643	+	246	=	889
6.	367	+	263	=	630
7.	954	+	917	=	1.871
8.	903	+	220	=	1.123
9.	813	+	719	=	1.532
10.	809	+	316	=	1.125

Oefening 4
1.	636	+	566	=	1.202
2.	770	+	496	=	1.266
3.	216	+	210	=	426
4.	612	+	519	=	1.131
5.	875	+	552	=	1.427
6.	681	+	656	=	1.337
7.	926	+	310	=	1.236
8.	296	+	247	=	543
9.	718	+	601	=	1.319
10.	310	+	276	=	586