Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	875	+		=	1.536
2.	515	+		=	1.017
3.	833	+		=	1.458
4.	862	+		=	1.283
5.	924	+		=	1.200
6.	792	+		=	1.141
7.	844	+		=	1.377
8.	804	+		=	1.153
9.	446	+		=	821
10.	714	+		=	1.004

Oefening 2
1.	814	+		=	1.303
2.	939	+		=	1.688
3.	533	+		=	911
4.	628	+		=	988
5.	402	+		=	701
6.	554	+		=	1.106
7.	533	+		=	1.016
8.	969	+		=	1.765
9.	747	+		=	1.333
10.	690	+		=	1.096

Oefening 3
1.	599	+		=	835
2.	627	+		=	877
3.	911	+		=	1.537
4.	383	+		=	605
5.	903	+		=	1.694
6.	257	+		=	511
7.	915	+		=	1.403
8.	924	+		=	1.579
9.	837	+		=	1.391
10.	353	+		=	703

Oefening 4
1.	501	+		=	961
2.	825	+		=	1.271
3.	855	+		=	1.304
4.	576	+		=	831
5.	635	+		=	859
6.	815	+		=	1.456
7.	458	+		=	849
8.	450	+		=	885
9.	756	+		=	1.476
10.	684	+		=	907

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	875	+	661	=	1.536
2.	515	+	502	=	1.017
3.	833	+	625	=	1.458
4.	862	+	421	=	1.283
5.	924	+	276	=	1.200
6.	792	+	349	=	1.141
7.	844	+	533	=	1.377
8.	804	+	349	=	1.153
9.	446	+	375	=	821
10.	714	+	290	=	1.004

Oefening 2
1.	814	+	489	=	1.303
2.	939	+	749	=	1.688
3.	533	+	378	=	911
4.	628	+	360	=	988
5.	402	+	299	=	701
6.	554	+	552	=	1.106
7.	533	+	483	=	1.016
8.	969	+	796	=	1.765
9.	747	+	586	=	1.333
10.	690	+	406	=	1.096

Oefening 3
1.	599	+	236	=	835
2.	627	+	250	=	877
3.	911	+	626	=	1.537
4.	383	+	222	=	605
5.	903	+	791	=	1.694
6.	257	+	254	=	511
7.	915	+	488	=	1.403
8.	924	+	655	=	1.579
9.	837	+	554	=	1.391
10.	353	+	350	=	703

Oefening 4
1.	501	+	460	=	961
2.	825	+	446	=	1.271
3.	855	+	449	=	1.304
4.	576	+	255	=	831
5.	635	+	224	=	859
6.	815	+	641	=	1.456
7.	458	+	391	=	849
8.	450	+	435	=	885
9.	756	+	720	=	1.476
10.	684	+	223	=	907