Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	317	+		=	529
2.	469	+		=	750
3.	835	+		=	1.626
4.	591	+		=	917
5.	948	+		=	1.333
6.	955	+		=	1.723
7.	551	+		=	763
8.	936	+		=	1.462
9.	926	+		=	1.650
10.	587	+		=	1.023

Oefening 2
1.	931	+		=	1.327
2.	726	+		=	1.039
3.	699	+		=	930
4.	967	+		=	1.186
5.	851	+		=	1.202
6.	462	+		=	834
7.	921	+		=	1.810
8.	891	+		=	1.198
9.	901	+		=	1.364
10.	466	+		=	764

Oefening 3
1.	338	+		=	674
2.	759	+		=	990
3.	898	+		=	1.399
4.	929	+		=	1.819
5.	742	+		=	1.314
6.	883	+		=	1.478
7.	968	+		=	1.587
8.	493	+		=	891
9.	795	+		=	1.443
10.	854	+		=	1.372

Oefening 4
1.	627	+		=	1.157
2.	222	+		=	422
3.	609	+		=	816
4.	919	+		=	1.140
5.	538	+		=	973
6.	838	+		=	1.492
7.	948	+		=	1.478
8.	827	+		=	1.109
9.	775	+		=	1.527
10.	855	+		=	1.650

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	317	+	212	=	529
2.	469	+	281	=	750
3.	835	+	791	=	1.626
4.	591	+	326	=	917
5.	948	+	385	=	1.333
6.	955	+	768	=	1.723
7.	551	+	212	=	763
8.	936	+	526	=	1.462
9.	926	+	724	=	1.650
10.	587	+	436	=	1.023

Oefening 2
1.	931	+	396	=	1.327
2.	726	+	313	=	1.039
3.	699	+	231	=	930
4.	967	+	219	=	1.186
5.	851	+	351	=	1.202
6.	462	+	372	=	834
7.	921	+	889	=	1.810
8.	891	+	307	=	1.198
9.	901	+	463	=	1.364
10.	466	+	298	=	764

Oefening 3
1.	338	+	336	=	674
2.	759	+	231	=	990
3.	898	+	501	=	1.399
4.	929	+	890	=	1.819
5.	742	+	572	=	1.314
6.	883	+	595	=	1.478
7.	968	+	619	=	1.587
8.	493	+	398	=	891
9.	795	+	648	=	1.443
10.	854	+	518	=	1.372

Oefening 4
1.	627	+	530	=	1.157
2.	222	+	200	=	422
3.	609	+	207	=	816
4.	919	+	221	=	1.140
5.	538	+	435	=	973
6.	838	+	654	=	1.492
7.	948	+	530	=	1.478
8.	827	+	282	=	1.109
9.	775	+	752	=	1.527
10.	855	+	795	=	1.650