Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	521	+		=	779
2.	813	+		=	1.445
3.	687	+		=	1.104
4.	926	+		=	1.206
5.	840	+		=	1.540
6.	977	+		=	1.463
7.	978	+		=	1.507
8.	992	+		=	1.884
9.	694	+		=	1.050
10.	596	+		=	832

Oefening 2
1.	809	+		=	1.117
2.	617	+		=	1.103
3.	593	+		=	985
4.	978	+		=	1.712
5.	602	+		=	977
6.	501	+		=	845
7.	878	+		=	1.513
8.	417	+		=	791
9.	775	+		=	1.403
10.	329	+		=	646

Oefening 3
1.	917	+		=	1.267
2.	921	+		=	1.306
3.	844	+		=	1.260
4.	981	+		=	1.295
5.	839	+		=	1.677
6.	393	+		=	674
7.	369	+		=	608
8.	981	+		=	1.482
9.	584	+		=	1.026
10.	435	+		=	704

Oefening 4
1.	993	+		=	1.572
2.	984	+		=	1.578
3.	871	+		=	1.580
4.	854	+		=	1.245
5.	851	+		=	1.382
6.	847	+		=	1.326
7.	979	+		=	1.576
8.	635	+		=	894
9.	528	+		=	924
10.	961	+		=	1.625

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	521	+	258	=	779
2.	813	+	632	=	1.445
3.	687	+	417	=	1.104
4.	926	+	280	=	1.206
5.	840	+	700	=	1.540
6.	977	+	486	=	1.463
7.	978	+	529	=	1.507
8.	992	+	892	=	1.884
9.	694	+	356	=	1.050
10.	596	+	236	=	832

Oefening 2
1.	809	+	308	=	1.117
2.	617	+	486	=	1.103
3.	593	+	392	=	985
4.	978	+	734	=	1.712
5.	602	+	375	=	977
6.	501	+	344	=	845
7.	878	+	635	=	1.513
8.	417	+	374	=	791
9.	775	+	628	=	1.403
10.	329	+	317	=	646

Oefening 3
1.	917	+	350	=	1.267
2.	921	+	385	=	1.306
3.	844	+	416	=	1.260
4.	981	+	314	=	1.295
5.	839	+	838	=	1.677
6.	393	+	281	=	674
7.	369	+	239	=	608
8.	981	+	501	=	1.482
9.	584	+	442	=	1.026
10.	435	+	269	=	704

Oefening 4
1.	993	+	579	=	1.572
2.	984	+	594	=	1.578
3.	871	+	709	=	1.580
4.	854	+	391	=	1.245
5.	851	+	531	=	1.382
6.	847	+	479	=	1.326
7.	979	+	597	=	1.576
8.	635	+	259	=	894
9.	528	+	396	=	924
10.	961	+	664	=	1.625