Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	873	+		=	1.081
2.	629	+		=	950
3.	959	+		=	1.324
4.	821	+		=	1.044
5.	506	+		=	836
6.	314	+		=	606
7.	999	+		=	1.776
8.	992	+		=	1.384
9.	324	+		=	527
10.	677	+		=	961

Oefening 2
1.	669	+		=	874
2.	935	+		=	1.590
3.	383	+		=	647
4.	974	+		=	1.427
5.	999	+		=	1.984
6.	917	+		=	1.813
7.	927	+		=	1.721
8.	845	+		=	1.417
9.	913	+		=	1.564
10.	681	+		=	1.091

Oefening 3
1.	987	+		=	1.577
2.	851	+		=	1.132
3.	660	+		=	949
4.	592	+		=	1.164
5.	895	+		=	1.401
6.	601	+		=	885
7.	928	+		=	1.633
8.	367	+		=	654
9.	281	+		=	513
10.	961	+		=	1.730

Oefening 4
1.	616	+		=	1.115
2.	743	+		=	1.175
3.	854	+		=	1.341
4.	653	+		=	905
5.	434	+		=	838
6.	642	+		=	971
7.	989	+		=	1.346
8.	956	+		=	1.837
9.	913	+		=	1.200
10.	822	+		=	1.553

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	873	+	208	=	1.081
2.	629	+	321	=	950
3.	959	+	365	=	1.324
4.	821	+	223	=	1.044
5.	506	+	330	=	836
6.	314	+	292	=	606
7.	999	+	777	=	1.776
8.	992	+	392	=	1.384
9.	324	+	203	=	527
10.	677	+	284	=	961

Oefening 2
1.	669	+	205	=	874
2.	935	+	655	=	1.590
3.	383	+	264	=	647
4.	974	+	453	=	1.427
5.	999	+	985	=	1.984
6.	917	+	896	=	1.813
7.	927	+	794	=	1.721
8.	845	+	572	=	1.417
9.	913	+	651	=	1.564
10.	681	+	410	=	1.091

Oefening 3
1.	987	+	590	=	1.577
2.	851	+	281	=	1.132
3.	660	+	289	=	949
4.	592	+	572	=	1.164
5.	895	+	506	=	1.401
6.	601	+	284	=	885
7.	928	+	705	=	1.633
8.	367	+	287	=	654
9.	281	+	232	=	513
10.	961	+	769	=	1.730

Oefening 4
1.	616	+	499	=	1.115
2.	743	+	432	=	1.175
3.	854	+	487	=	1.341
4.	653	+	252	=	905
5.	434	+	404	=	838
6.	642	+	329	=	971
7.	989	+	357	=	1.346
8.	956	+	881	=	1.837
9.	913	+	287	=	1.200
10.	822	+	731	=	1.553