Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	535	+		=	1.055
2.	955	+		=	1.761
3.	974	+		=	1.883
4.	835	+		=	1.456
5.	621	+		=	1.196
6.	931	+		=	1.609
7.	858	+		=	1.560
8.	589	+		=	879
9.	941	+		=	1.459
10.	916	+		=	1.545

Oefening 2
1.	777	+		=	1.528
2.	706	+		=	1.074
3.	682	+		=	1.204
4.	459	+		=	879
5.	452	+		=	857
6.	712	+		=	1.335
7.	898	+		=	1.700
8.	959	+		=	1.600
9.	644	+		=	1.068
10.	925	+		=	1.562

Oefening 3
1.	900	+		=	1.709
2.	415	+		=	745
3.	962	+		=	1.215
4.	709	+		=	1.193
5.	396	+		=	709
6.	618	+		=	921
7.	1.000	+		=	1.706
8.	881	+		=	1.687
9.	408	+		=	611
10.	423	+		=	791

Oefening 4
1.	763	+		=	1.219
2.	917	+		=	1.613
3.	985	+		=	1.719
4.	527	+		=	937
5.	778	+		=	1.418
6.	515	+		=	990
7.	763	+		=	1.275
8.	237	+		=	444
9.	677	+		=	949
10.	970	+		=	1.368

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	535	+	520	=	1.055
2.	955	+	806	=	1.761
3.	974	+	909	=	1.883
4.	835	+	621	=	1.456
5.	621	+	575	=	1.196
6.	931	+	678	=	1.609
7.	858	+	702	=	1.560
8.	589	+	290	=	879
9.	941	+	518	=	1.459
10.	916	+	629	=	1.545

Oefening 2
1.	777	+	751	=	1.528
2.	706	+	368	=	1.074
3.	682	+	522	=	1.204
4.	459	+	420	=	879
5.	452	+	405	=	857
6.	712	+	623	=	1.335
7.	898	+	802	=	1.700
8.	959	+	641	=	1.600
9.	644	+	424	=	1.068
10.	925	+	637	=	1.562

Oefening 3
1.	900	+	809	=	1.709
2.	415	+	330	=	745
3.	962	+	253	=	1.215
4.	709	+	484	=	1.193
5.	396	+	313	=	709
6.	618	+	303	=	921
7.	1.000	+	706	=	1.706
8.	881	+	806	=	1.687
9.	408	+	203	=	611
10.	423	+	368	=	791

Oefening 4
1.	763	+	456	=	1.219
2.	917	+	696	=	1.613
3.	985	+	734	=	1.719
4.	527	+	410	=	937
5.	778	+	640	=	1.418
6.	515	+	475	=	990
7.	763	+	512	=	1.275
8.	237	+	207	=	444
9.	677	+	272	=	949
10.	970	+	398	=	1.368