Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	358	+		=	707
2.	521	+		=	998
3.	379	+		=	744
4.	831	+		=	1.368
5.	451	+		=	843
6.	950	+		=	1.566
7.	988	+		=	1.772
8.	387	+		=	622
9.	669	+		=	878
10.	623	+		=	1.131

Oefening 2
1.	883	+		=	1.477
2.	448	+		=	826
3.	530	+		=	756
4.	871	+		=	1.438
5.	509	+		=	807
6.	473	+		=	903
7.	615	+		=	890
8.	1.000	+		=	1.892
9.	848	+		=	1.660
10.	834	+		=	1.234

Oefening 3
1.	632	+		=	904
2.	880	+		=	1.679
3.	367	+		=	571
4.	769	+		=	1.330
5.	552	+		=	1.044
6.	860	+		=	1.281
7.	908	+		=	1.395
8.	805	+		=	1.124
9.	985	+		=	1.226
10.	821	+		=	1.514

Oefening 4
1.	993	+		=	1.236
2.	988	+		=	1.640
3.	893	+		=	1.113
4.	836	+		=	1.634
5.	731	+		=	1.116
6.	422	+		=	841
7.	871	+		=	1.375
8.	754	+		=	1.312
9.	781	+		=	1.532
10.	876	+		=	1.453

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	358	+	349	=	707
2.	521	+	477	=	998
3.	379	+	365	=	744
4.	831	+	537	=	1.368
5.	451	+	392	=	843
6.	950	+	616	=	1.566
7.	988	+	784	=	1.772
8.	387	+	235	=	622
9.	669	+	209	=	878
10.	623	+	508	=	1.131

Oefening 2
1.	883	+	594	=	1.477
2.	448	+	378	=	826
3.	530	+	226	=	756
4.	871	+	567	=	1.438
5.	509	+	298	=	807
6.	473	+	430	=	903
7.	615	+	275	=	890
8.	1.000	+	892	=	1.892
9.	848	+	812	=	1.660
10.	834	+	400	=	1.234

Oefening 3
1.	632	+	272	=	904
2.	880	+	799	=	1.679
3.	367	+	204	=	571
4.	769	+	561	=	1.330
5.	552	+	492	=	1.044
6.	860	+	421	=	1.281
7.	908	+	487	=	1.395
8.	805	+	319	=	1.124
9.	985	+	241	=	1.226
10.	821	+	693	=	1.514

Oefening 4
1.	993	+	243	=	1.236
2.	988	+	652	=	1.640
3.	893	+	220	=	1.113
4.	836	+	798	=	1.634
5.	731	+	385	=	1.116
6.	422	+	419	=	841
7.	871	+	504	=	1.375
8.	754	+	558	=	1.312
9.	781	+	751	=	1.532
10.	876	+	577	=	1.453