Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	837	+		=	1.330
2.	996	+		=	1.518
3.	701	+		=	1.016
4.	932	+		=	1.417
5.	302	+		=	544
6.	728	+		=	1.428
7.	777	+		=	1.316
8.	851	+		=	1.116
9.	617	+		=	887
10.	905	+		=	1.498

Oefening 2
1.	943	+		=	1.790
2.	852	+		=	1.448
3.	954	+		=	1.606
4.	859	+		=	1.298
5.	470	+		=	735
6.	624	+		=	1.144
7.	968	+		=	1.579
8.	521	+		=	978
9.	788	+		=	1.386
10.	437	+		=	808

Oefening 3
1.	883	+		=	1.287
2.	528	+		=	806
3.	566	+		=	777
4.	980	+		=	1.868
5.	583	+		=	1.078
6.	434	+		=	836
7.	449	+		=	704
8.	333	+		=	583
9.	973	+		=	1.237
10.	982	+		=	1.504

Oefening 4
1.	956	+		=	1.773
2.	419	+		=	763
3.	965	+		=	1.801
4.	500	+		=	732
5.	920	+		=	1.668
6.	902	+		=	1.774
7.	992	+		=	1.630
8.	594	+		=	1.078
9.	744	+		=	1.303
10.	638	+		=	864

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	837	+	493	=	1.330
2.	996	+	522	=	1.518
3.	701	+	315	=	1.016
4.	932	+	485	=	1.417
5.	302	+	242	=	544
6.	728	+	700	=	1.428
7.	777	+	539	=	1.316
8.	851	+	265	=	1.116
9.	617	+	270	=	887
10.	905	+	593	=	1.498

Oefening 2
1.	943	+	847	=	1.790
2.	852	+	596	=	1.448
3.	954	+	652	=	1.606
4.	859	+	439	=	1.298
5.	470	+	265	=	735
6.	624	+	520	=	1.144
7.	968	+	611	=	1.579
8.	521	+	457	=	978
9.	788	+	598	=	1.386
10.	437	+	371	=	808

Oefening 3
1.	883	+	404	=	1.287
2.	528	+	278	=	806
3.	566	+	211	=	777
4.	980	+	888	=	1.868
5.	583	+	495	=	1.078
6.	434	+	402	=	836
7.	449	+	255	=	704
8.	333	+	250	=	583
9.	973	+	264	=	1.237
10.	982	+	522	=	1.504

Oefening 4
1.	956	+	817	=	1.773
2.	419	+	344	=	763
3.	965	+	836	=	1.801
4.	500	+	232	=	732
5.	920	+	748	=	1.668
6.	902	+	872	=	1.774
7.	992	+	638	=	1.630
8.	594	+	484	=	1.078
9.	744	+	559	=	1.303
10.	638	+	226	=	864