Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	551	+		=	855
2.	419	+		=	626
3.	865	+		=	1.700
4.	490	+		=	757
5.	824	+		=	1.626
6.	975	+		=	1.382
7.	810	+		=	1.451
8.	610	+		=	1.073
9.	500	+		=	762
10.	952	+		=	1.533

Oefening 2
1.	830	+		=	1.389
2.	644	+		=	1.124
3.	675	+		=	1.283
4.	944	+		=	1.641
5.	453	+		=	662
6.	984	+		=	1.644
7.	375	+		=	659
8.	854	+		=	1.471
9.	870	+		=	1.607
10.	923	+		=	1.611

Oefening 3
1.	954	+		=	1.703
2.	984	+		=	1.728
3.	996	+		=	1.339
4.	933	+		=	1.851
5.	915	+		=	1.356
6.	936	+		=	1.392
7.	999	+		=	1.762
8.	971	+		=	1.279
9.	725	+		=	990
10.	833	+		=	1.523

Oefening 4
1.	657	+		=	1.096
2.	767	+		=	1.294
3.	382	+		=	756
4.	589	+		=	986
5.	837	+		=	1.415
6.	655	+		=	1.080
7.	236	+		=	450
8.	971	+		=	1.232
9.	911	+		=	1.265
10.	432	+		=	828

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	551	+	304	=	855
2.	419	+	207	=	626
3.	865	+	835	=	1.700
4.	490	+	267	=	757
5.	824	+	802	=	1.626
6.	975	+	407	=	1.382
7.	810	+	641	=	1.451
8.	610	+	463	=	1.073
9.	500	+	262	=	762
10.	952	+	581	=	1.533

Oefening 2
1.	830	+	559	=	1.389
2.	644	+	480	=	1.124
3.	675	+	608	=	1.283
4.	944	+	697	=	1.641
5.	453	+	209	=	662
6.	984	+	660	=	1.644
7.	375	+	284	=	659
8.	854	+	617	=	1.471
9.	870	+	737	=	1.607
10.	923	+	688	=	1.611

Oefening 3
1.	954	+	749	=	1.703
2.	984	+	744	=	1.728
3.	996	+	343	=	1.339
4.	933	+	918	=	1.851
5.	915	+	441	=	1.356
6.	936	+	456	=	1.392
7.	999	+	763	=	1.762
8.	971	+	308	=	1.279
9.	725	+	265	=	990
10.	833	+	690	=	1.523

Oefening 4
1.	657	+	439	=	1.096
2.	767	+	527	=	1.294
3.	382	+	374	=	756
4.	589	+	397	=	986
5.	837	+	578	=	1.415
6.	655	+	425	=	1.080
7.	236	+	214	=	450
8.	971	+	261	=	1.232
9.	911	+	354	=	1.265
10.	432	+	396	=	828