Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	317	+		=	530
2.	928	+		=	1.284
3.	863	+		=	1.117
4.	523	+		=	975
5.	821	+		=	1.471
6.	755	+		=	1.048
7.	675	+		=	1.321
8.	854	+		=	1.646
9.	848	+		=	1.468
10.	706	+		=	1.232

Oefening 2
1.	992	+		=	1.610
2.	498	+		=	868
3.	777	+		=	1.553
4.	794	+		=	1.247
5.	979	+		=	1.899
6.	638	+		=	848
7.	726	+		=	969
8.	937	+		=	1.829
9.	844	+		=	1.306
10.	566	+		=	1.106

Oefening 3
1.	452	+		=	661
2.	506	+		=	792
3.	799	+		=	1.286
4.	946	+		=	1.355
5.	503	+		=	992
6.	435	+		=	773
7.	822	+		=	1.405
8.	942	+		=	1.399
9.	710	+		=	1.186
10.	760	+		=	976

Oefening 4
1.	927	+		=	1.489
2.	757	+		=	1.387
3.	603	+		=	1.049
4.	912	+		=	1.150
5.	960	+		=	1.167
6.	772	+		=	1.279
7.	909	+		=	1.561
8.	963	+		=	1.698
9.	664	+		=	1.142
10.	1.000	+		=	1.303

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	317	+	213	=	530
2.	928	+	356	=	1.284
3.	863	+	254	=	1.117
4.	523	+	452	=	975
5.	821	+	650	=	1.471
6.	755	+	293	=	1.048
7.	675	+	646	=	1.321
8.	854	+	792	=	1.646
9.	848	+	620	=	1.468
10.	706	+	526	=	1.232

Oefening 2
1.	992	+	618	=	1.610
2.	498	+	370	=	868
3.	777	+	776	=	1.553
4.	794	+	453	=	1.247
5.	979	+	920	=	1.899
6.	638	+	210	=	848
7.	726	+	243	=	969
8.	937	+	892	=	1.829
9.	844	+	462	=	1.306
10.	566	+	540	=	1.106

Oefening 3
1.	452	+	209	=	661
2.	506	+	286	=	792
3.	799	+	487	=	1.286
4.	946	+	409	=	1.355
5.	503	+	489	=	992
6.	435	+	338	=	773
7.	822	+	583	=	1.405
8.	942	+	457	=	1.399
9.	710	+	476	=	1.186
10.	760	+	216	=	976

Oefening 4
1.	927	+	562	=	1.489
2.	757	+	630	=	1.387
3.	603	+	446	=	1.049
4.	912	+	238	=	1.150
5.	960	+	207	=	1.167
6.	772	+	507	=	1.279
7.	909	+	652	=	1.561
8.	963	+	735	=	1.698
9.	664	+	478	=	1.142
10.	1.000	+	303	=	1.303