Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	998	+		=	1.383
2.	331	+		=	627
3.	665	+		=	1.246
4.	521	+		=	773
5.	494	+		=	980
6.	941	+		=	1.443
7.	590	+		=	925
8.	769	+		=	1.185
9.	724	+		=	1.250
10.	314	+		=	587

Oefening 2
1.	890	+		=	1.698
2.	911	+		=	1.696
3.	823	+		=	1.184
4.	915	+		=	1.750
5.	822	+		=	1.621
6.	404	+		=	737
7.	668	+		=	905
8.	744	+		=	1.032
9.	851	+		=	1.147
10.	795	+		=	1.200

Oefening 3
1.	405	+		=	720
2.	905	+		=	1.500
3.	919	+		=	1.145
4.	837	+		=	1.067
5.	949	+		=	1.896
6.	944	+		=	1.423
7.	827	+		=	1.553
8.	737	+		=	1.069
9.	578	+		=	1.109
10.	745	+		=	1.023

Oefening 4
1.	783	+		=	990
2.	695	+		=	940
3.	494	+		=	841
4.	954	+		=	1.445
5.	867	+		=	1.271
6.	382	+		=	616
7.	605	+		=	836
8.	929	+		=	1.389
9.	912	+		=	1.801
10.	900	+		=	1.319

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	998	+	385	=	1.383
2.	331	+	296	=	627
3.	665	+	581	=	1.246
4.	521	+	252	=	773
5.	494	+	486	=	980
6.	941	+	502	=	1.443
7.	590	+	335	=	925
8.	769	+	416	=	1.185
9.	724	+	526	=	1.250
10.	314	+	273	=	587

Oefening 2
1.	890	+	808	=	1.698
2.	911	+	785	=	1.696
3.	823	+	361	=	1.184
4.	915	+	835	=	1.750
5.	822	+	799	=	1.621
6.	404	+	333	=	737
7.	668	+	237	=	905
8.	744	+	288	=	1.032
9.	851	+	296	=	1.147
10.	795	+	405	=	1.200

Oefening 3
1.	405	+	315	=	720
2.	905	+	595	=	1.500
3.	919	+	226	=	1.145
4.	837	+	230	=	1.067
5.	949	+	947	=	1.896
6.	944	+	479	=	1.423
7.	827	+	726	=	1.553
8.	737	+	332	=	1.069
9.	578	+	531	=	1.109
10.	745	+	278	=	1.023

Oefening 4
1.	783	+	207	=	990
2.	695	+	245	=	940
3.	494	+	347	=	841
4.	954	+	491	=	1.445
5.	867	+	404	=	1.271
6.	382	+	234	=	616
7.	605	+	231	=	836
8.	929	+	460	=	1.389
9.	912	+	889	=	1.801
10.	900	+	419	=	1.319