Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	772	+		=	980
2.	746	+		=	962
3.	803	+		=	1.485
4.	968	+		=	1.239
5.	538	+		=	802
6.	894	+		=	1.756
7.	251	+		=	478
8.	782	+		=	1.376
9.	794	+		=	1.222
10.	776	+		=	1.402

Oefening 2
1.	971	+		=	1.892
2.	918	+		=	1.426
3.	554	+		=	757
4.	908	+		=	1.688
5.	766	+		=	1.144
6.	804	+		=	1.265
7.	364	+		=	594
8.	767	+		=	1.030
9.	853	+		=	1.599
10.	818	+		=	1.602

Oefening 3
1.	835	+		=	1.151
2.	856	+		=	1.283
3.	969	+		=	1.820
4.	865	+		=	1.186
5.	950	+		=	1.309
6.	387	+		=	627
7.	700	+		=	1.363
8.	833	+		=	1.356
9.	775	+		=	1.303
10.	837	+		=	1.269

Oefening 4
1.	643	+		=	932
2.	965	+		=	1.700
3.	969	+		=	1.895
4.	445	+		=	812
5.	567	+		=	879
6.	654	+		=	1.203
7.	335	+		=	644
8.	549	+		=	1.026
9.	921	+		=	1.228
10.	833	+		=	1.158

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	772	+	208	=	980
2.	746	+	216	=	962
3.	803	+	682	=	1.485
4.	968	+	271	=	1.239
5.	538	+	264	=	802
6.	894	+	862	=	1.756
7.	251	+	227	=	478
8.	782	+	594	=	1.376
9.	794	+	428	=	1.222
10.	776	+	626	=	1.402

Oefening 2
1.	971	+	921	=	1.892
2.	918	+	508	=	1.426
3.	554	+	203	=	757
4.	908	+	780	=	1.688
5.	766	+	378	=	1.144
6.	804	+	461	=	1.265
7.	364	+	230	=	594
8.	767	+	263	=	1.030
9.	853	+	746	=	1.599
10.	818	+	784	=	1.602

Oefening 3
1.	835	+	316	=	1.151
2.	856	+	427	=	1.283
3.	969	+	851	=	1.820
4.	865	+	321	=	1.186
5.	950	+	359	=	1.309
6.	387	+	240	=	627
7.	700	+	663	=	1.363
8.	833	+	523	=	1.356
9.	775	+	528	=	1.303
10.	837	+	432	=	1.269

Oefening 4
1.	643	+	289	=	932
2.	965	+	735	=	1.700
3.	969	+	926	=	1.895
4.	445	+	367	=	812
5.	567	+	312	=	879
6.	654	+	549	=	1.203
7.	335	+	309	=	644
8.	549	+	477	=	1.026
9.	921	+	307	=	1.228
10.	833	+	325	=	1.158