Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	741	+		=	1.200
2.	996	+		=	1.450
3.	803	+		=	1.320
4.	820	+		=	1.141
5.	618	+		=	961
6.	536	+		=	774
7.	826	+		=	1.171
8.	990	+		=	1.249
9.	961	+		=	1.567
10.	531	+		=	976

Oefening 2
1.	995	+		=	1.845
2.	655	+		=	1.105
3.	820	+		=	1.039
4.	630	+		=	934
5.	551	+		=	1.094
6.	710	+		=	929
7.	901	+		=	1.783
8.	785	+		=	1.153
9.	625	+		=	999
10.	931	+		=	1.750

Oefening 3
1.	904	+		=	1.226
2.	993	+		=	1.434
3.	322	+		=	639
4.	950	+		=	1.219
5.	988	+		=	1.692
6.	984	+		=	1.908
7.	812	+		=	1.413
8.	889	+		=	1.488
9.	614	+		=	1.059
10.	513	+		=	733

Oefening 4
1.	452	+		=	754
2.	972	+		=	1.485
3.	730	+		=	1.437
4.	969	+		=	1.184
5.	709	+		=	969
6.	583	+		=	919
7.	974	+		=	1.551
8.	377	+		=	717
9.	503	+		=	838
10.	986	+		=	1.813

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	741	+	459	=	1.200
2.	996	+	454	=	1.450
3.	803	+	517	=	1.320
4.	820	+	321	=	1.141
5.	618	+	343	=	961
6.	536	+	238	=	774
7.	826	+	345	=	1.171
8.	990	+	259	=	1.249
9.	961	+	606	=	1.567
10.	531	+	445	=	976

Oefening 2
1.	995	+	850	=	1.845
2.	655	+	450	=	1.105
3.	820	+	219	=	1.039
4.	630	+	304	=	934
5.	551	+	543	=	1.094
6.	710	+	219	=	929
7.	901	+	882	=	1.783
8.	785	+	368	=	1.153
9.	625	+	374	=	999
10.	931	+	819	=	1.750

Oefening 3
1.	904	+	322	=	1.226
2.	993	+	441	=	1.434
3.	322	+	317	=	639
4.	950	+	269	=	1.219
5.	988	+	704	=	1.692
6.	984	+	924	=	1.908
7.	812	+	601	=	1.413
8.	889	+	599	=	1.488
9.	614	+	445	=	1.059
10.	513	+	220	=	733

Oefening 4
1.	452	+	302	=	754
2.	972	+	513	=	1.485
3.	730	+	707	=	1.437
4.	969	+	215	=	1.184
5.	709	+	260	=	969
6.	583	+	336	=	919
7.	974	+	577	=	1.551
8.	377	+	340	=	717
9.	503	+	335	=	838
10.	986	+	827	=	1.813