Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	761	+		=	1.386
2.	738	+		=	939
3.	820	+		=	1.129
4.	954	+		=	1.638
5.	635	+		=	966
6.	810	+		=	1.564
7.	549	+		=	824
8.	588	+		=	798
9.	594	+		=	1.014
10.	764	+		=	1.254

Oefening 2
1.	994	+		=	1.692
2.	631	+		=	835
3.	682	+		=	1.098
4.	673	+		=	1.277
5.	429	+		=	634
6.	945	+		=	1.820
7.	708	+		=	1.270
8.	474	+		=	871
9.	841	+		=	1.060
10.	966	+		=	1.678

Oefening 3
1.	754	+		=	989
2.	390	+		=	769
3.	965	+		=	1.909
4.	462	+		=	765
5.	748	+		=	1.148
6.	371	+		=	582
7.	345	+		=	558
8.	822	+		=	1.341
9.	489	+		=	749
10.	893	+		=	1.716

Oefening 4
1.	757	+		=	1.019
2.	677	+		=	1.018
3.	874	+		=	1.235
4.	463	+		=	674
5.	661	+		=	1.007
6.	951	+		=	1.584
7.	858	+		=	1.098
8.	695	+		=	1.186
9.	937	+		=	1.229
10.	665	+		=	1.147

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	761	+	625	=	1.386
2.	738	+	201	=	939
3.	820	+	309	=	1.129
4.	954	+	684	=	1.638
5.	635	+	331	=	966
6.	810	+	754	=	1.564
7.	549	+	275	=	824
8.	588	+	210	=	798
9.	594	+	420	=	1.014
10.	764	+	490	=	1.254

Oefening 2
1.	994	+	698	=	1.692
2.	631	+	204	=	835
3.	682	+	416	=	1.098
4.	673	+	604	=	1.277
5.	429	+	205	=	634
6.	945	+	875	=	1.820
7.	708	+	562	=	1.270
8.	474	+	397	=	871
9.	841	+	219	=	1.060
10.	966	+	712	=	1.678

Oefening 3
1.	754	+	235	=	989
2.	390	+	379	=	769
3.	965	+	944	=	1.909
4.	462	+	303	=	765
5.	748	+	400	=	1.148
6.	371	+	211	=	582
7.	345	+	213	=	558
8.	822	+	519	=	1.341
9.	489	+	260	=	749
10.	893	+	823	=	1.716

Oefening 4
1.	757	+	262	=	1.019
2.	677	+	341	=	1.018
3.	874	+	361	=	1.235
4.	463	+	211	=	674
5.	661	+	346	=	1.007
6.	951	+	633	=	1.584
7.	858	+	240	=	1.098
8.	695	+	491	=	1.186
9.	937	+	292	=	1.229
10.	665	+	482	=	1.147