Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	348	+		=	682
2.	960	+		=	1.543
3.	601	+		=	979
4.	948	+		=	1.430
5.	761	+		=	1.053
6.	333	+		=	649
7.	890	+		=	1.685
8.	858	+		=	1.453
9.	740	+		=	1.227
10.	986	+		=	1.790

Oefening 2
1.	505	+		=	768
2.	846	+		=	1.400
3.	982	+		=	1.886
4.	698	+		=	1.233
5.	518	+		=	876
6.	915	+		=	1.808
7.	429	+		=	726
8.	483	+		=	837
9.	651	+		=	919
10.	637	+		=	843

Oefening 3
1.	886	+		=	1.445
2.	941	+		=	1.771
3.	515	+		=	981
4.	914	+		=	1.158
5.	873	+		=	1.716
6.	988	+		=	1.667
7.	742	+		=	1.035
8.	357	+		=	697
9.	635	+		=	896
10.	642	+		=	1.202

Oefening 4
1.	525	+		=	933
2.	901	+		=	1.421
3.	637	+		=	1.038
4.	840	+		=	1.090
5.	704	+		=	1.334
6.	788	+		=	1.102
7.	989	+		=	1.406
8.	677	+		=	1.295
9.	778	+		=	1.291
10.	718	+		=	1.377

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	348	+	334	=	682
2.	960	+	583	=	1.543
3.	601	+	378	=	979
4.	948	+	482	=	1.430
5.	761	+	292	=	1.053
6.	333	+	316	=	649
7.	890	+	795	=	1.685
8.	858	+	595	=	1.453
9.	740	+	487	=	1.227
10.	986	+	804	=	1.790

Oefening 2
1.	505	+	263	=	768
2.	846	+	554	=	1.400
3.	982	+	904	=	1.886
4.	698	+	535	=	1.233
5.	518	+	358	=	876
6.	915	+	893	=	1.808
7.	429	+	297	=	726
8.	483	+	354	=	837
9.	651	+	268	=	919
10.	637	+	206	=	843

Oefening 3
1.	886	+	559	=	1.445
2.	941	+	830	=	1.771
3.	515	+	466	=	981
4.	914	+	244	=	1.158
5.	873	+	843	=	1.716
6.	988	+	679	=	1.667
7.	742	+	293	=	1.035
8.	357	+	340	=	697
9.	635	+	261	=	896
10.	642	+	560	=	1.202

Oefening 4
1.	525	+	408	=	933
2.	901	+	520	=	1.421
3.	637	+	401	=	1.038
4.	840	+	250	=	1.090
5.	704	+	630	=	1.334
6.	788	+	314	=	1.102
7.	989	+	417	=	1.406
8.	677	+	618	=	1.295
9.	778	+	513	=	1.291
10.	718	+	659	=	1.377