Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	523	+		=	1.028
2.	460	+		=	682
3.	755	+		=	1.104
4.	587	+		=	1.115
5.	985	+		=	1.900
6.	678	+		=	952
7.	896	+		=	1.226
8.	891	+		=	1.746
9.	818	+		=	1.092
10.	508	+		=	734

Oefening 2
1.	790	+		=	1.135
2.	836	+		=	1.544
3.	717	+		=	1.040
4.	859	+		=	1.071
5.	918	+		=	1.172
6.	812	+		=	1.043
7.	541	+		=	950
8.	705	+		=	1.098
9.	317	+		=	602
10.	580	+		=	1.078

Oefening 3
1.	896	+		=	1.560
2.	731	+		=	1.276
3.	972	+		=	1.762
4.	264	+		=	494
5.	235	+		=	456
6.	638	+		=	957
7.	486	+		=	895
8.	765	+		=	1.177
9.	849	+		=	1.346
10.	976	+		=	1.908

Oefening 4
1.	507	+		=	843
2.	872	+		=	1.152
3.	1.000	+		=	1.474
4.	631	+		=	1.189
5.	866	+		=	1.206
6.	564	+		=	878
7.	971	+		=	1.209
8.	690	+		=	1.117
9.	941	+		=	1.493
10.	606	+		=	967

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	523	+	505	=	1.028
2.	460	+	222	=	682
3.	755	+	349	=	1.104
4.	587	+	528	=	1.115
5.	985	+	915	=	1.900
6.	678	+	274	=	952
7.	896	+	330	=	1.226
8.	891	+	855	=	1.746
9.	818	+	274	=	1.092
10.	508	+	226	=	734

Oefening 2
1.	790	+	345	=	1.135
2.	836	+	708	=	1.544
3.	717	+	323	=	1.040
4.	859	+	212	=	1.071
5.	918	+	254	=	1.172
6.	812	+	231	=	1.043
7.	541	+	409	=	950
8.	705	+	393	=	1.098
9.	317	+	285	=	602
10.	580	+	498	=	1.078

Oefening 3
1.	896	+	664	=	1.560
2.	731	+	545	=	1.276
3.	972	+	790	=	1.762
4.	264	+	230	=	494
5.	235	+	221	=	456
6.	638	+	319	=	957
7.	486	+	409	=	895
8.	765	+	412	=	1.177
9.	849	+	497	=	1.346
10.	976	+	932	=	1.908

Oefening 4
1.	507	+	336	=	843
2.	872	+	280	=	1.152
3.	1.000	+	474	=	1.474
4.	631	+	558	=	1.189
5.	866	+	340	=	1.206
6.	564	+	314	=	878
7.	971	+	238	=	1.209
8.	690	+	427	=	1.117
9.	941	+	552	=	1.493
10.	606	+	361	=	967