Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	916	+		=	1.534
2.	904	+		=	1.741
3.	767	+		=	1.455
4.	494	+		=	889
5.	773	+		=	1.146
6.	951	+		=	1.346
7.	778	+		=	1.294
8.	870	+		=	1.507
9.	983	+		=	1.189
10.	786	+		=	1.399

Oefening 2
1.	763	+		=	985
2.	926	+		=	1.420
3.	959	+		=	1.764
4.	717	+		=	1.430
5.	964	+		=	1.449
6.	558	+		=	812
7.	492	+		=	741
8.	548	+		=	1.071
9.	908	+		=	1.367
10.	916	+		=	1.365

Oefening 3
1.	663	+		=	937
2.	894	+		=	1.126
3.	790	+		=	1.237
4.	775	+		=	1.036
5.	820	+		=	1.077
6.	920	+		=	1.145
7.	871	+		=	1.126
8.	825	+		=	1.261
9.	853	+		=	1.572
10.	920	+		=	1.333

Oefening 4
1.	446	+		=	883
2.	910	+		=	1.266
3.	762	+		=	1.491
4.	628	+		=	956
5.	983	+		=	1.546
6.	547	+		=	747
7.	783	+		=	1.001
8.	545	+		=	816
9.	324	+		=	574
10.	996	+		=	1.457

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	916	+	618	=	1.534
2.	904	+	837	=	1.741
3.	767	+	688	=	1.455
4.	494	+	395	=	889
5.	773	+	373	=	1.146
6.	951	+	395	=	1.346
7.	778	+	516	=	1.294
8.	870	+	637	=	1.507
9.	983	+	206	=	1.189
10.	786	+	613	=	1.399

Oefening 2
1.	763	+	222	=	985
2.	926	+	494	=	1.420
3.	959	+	805	=	1.764
4.	717	+	713	=	1.430
5.	964	+	485	=	1.449
6.	558	+	254	=	812
7.	492	+	249	=	741
8.	548	+	523	=	1.071
9.	908	+	459	=	1.367
10.	916	+	449	=	1.365

Oefening 3
1.	663	+	274	=	937
2.	894	+	232	=	1.126
3.	790	+	447	=	1.237
4.	775	+	261	=	1.036
5.	820	+	257	=	1.077
6.	920	+	225	=	1.145
7.	871	+	255	=	1.126
8.	825	+	436	=	1.261
9.	853	+	719	=	1.572
10.	920	+	413	=	1.333

Oefening 4
1.	446	+	437	=	883
2.	910	+	356	=	1.266
3.	762	+	729	=	1.491
4.	628	+	328	=	956
5.	983	+	563	=	1.546
6.	547	+	200	=	747
7.	783	+	218	=	1.001
8.	545	+	271	=	816
9.	324	+	250	=	574
10.	996	+	461	=	1.457