Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	375	+		=	653
2.	968	+		=	1.392
3.	594	+		=	838
4.	990	+		=	1.280
5.	974	+		=	1.426
6.	753	+		=	1.441
7.	815	+		=	1.256
8.	839	+		=	1.483
9.	919	+		=	1.235
10.	789	+		=	1.043

Oefening 2
1.	644	+		=	1.090
2.	719	+		=	1.385
3.	981	+		=	1.298
4.	964	+		=	1.871
5.	891	+		=	1.639
6.	917	+		=	1.147
7.	655	+		=	1.208
8.	900	+		=	1.302
9.	618	+		=	1.024
10.	728	+		=	1.431

Oefening 3
1.	914	+		=	1.464
2.	924	+		=	1.677
3.	916	+		=	1.377
4.	236	+		=	470
5.	501	+		=	778
6.	667	+		=	878
7.	901	+		=	1.257
8.	715	+		=	962
9.	950	+		=	1.682
10.	546	+		=	884

Oefening 4
1.	729	+		=	1.042
2.	985	+		=	1.654
3.	934	+		=	1.853
4.	403	+		=	699
5.	781	+		=	1.404
6.	597	+		=	803
7.	975	+		=	1.519
8.	373	+		=	718
9.	962	+		=	1.205
10.	946	+		=	1.357

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	375	+	278	=	653
2.	968	+	424	=	1.392
3.	594	+	244	=	838
4.	990	+	290	=	1.280
5.	974	+	452	=	1.426
6.	753	+	688	=	1.441
7.	815	+	441	=	1.256
8.	839	+	644	=	1.483
9.	919	+	316	=	1.235
10.	789	+	254	=	1.043

Oefening 2
1.	644	+	446	=	1.090
2.	719	+	666	=	1.385
3.	981	+	317	=	1.298
4.	964	+	907	=	1.871
5.	891	+	748	=	1.639
6.	917	+	230	=	1.147
7.	655	+	553	=	1.208
8.	900	+	402	=	1.302
9.	618	+	406	=	1.024
10.	728	+	703	=	1.431

Oefening 3
1.	914	+	550	=	1.464
2.	924	+	753	=	1.677
3.	916	+	461	=	1.377
4.	236	+	234	=	470
5.	501	+	277	=	778
6.	667	+	211	=	878
7.	901	+	356	=	1.257
8.	715	+	247	=	962
9.	950	+	732	=	1.682
10.	546	+	338	=	884

Oefening 4
1.	729	+	313	=	1.042
2.	985	+	669	=	1.654
3.	934	+	919	=	1.853
4.	403	+	296	=	699
5.	781	+	623	=	1.404
6.	597	+	206	=	803
7.	975	+	544	=	1.519
8.	373	+	345	=	718
9.	962	+	243	=	1.205
10.	946	+	411	=	1.357