Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	995	+		=	1.570
2.	571	+		=	1.006
3.	696	+		=	1.346
4.	686	+		=	942
5.	456	+		=	658
6.	439	+		=	639
7.	972	+		=	1.357
8.	701	+		=	1.042
9.	933	+		=	1.833
10.	869	+		=	1.467

Oefening 2
1.	904	+		=	1.177
2.	925	+		=	1.291
3.	995	+		=	1.659
4.	978	+		=	1.607
5.	905	+		=	1.795
6.	392	+		=	779
7.	897	+		=	1.274
8.	854	+		=	1.365
9.	934	+		=	1.552
10.	850	+		=	1.460

Oefening 3
1.	962	+		=	1.292
2.	640	+		=	1.198
3.	962	+		=	1.907
4.	921	+		=	1.121
5.	987	+		=	1.746
6.	592	+		=	1.137
7.	929	+		=	1.451
8.	922	+		=	1.388
9.	934	+		=	1.195
10.	756	+		=	1.347

Oefening 4
1.	810	+		=	1.110
2.	887	+		=	1.479
3.	492	+		=	738
4.	541	+		=	986
5.	641	+		=	1.210
6.	779	+		=	1.455
7.	892	+		=	1.411
8.	952	+		=	1.359
9.	965	+		=	1.730
10.	877	+		=	1.199

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	995	+	575	=	1.570
2.	571	+	435	=	1.006
3.	696	+	650	=	1.346
4.	686	+	256	=	942
5.	456	+	202	=	658
6.	439	+	200	=	639
7.	972	+	385	=	1.357
8.	701	+	341	=	1.042
9.	933	+	900	=	1.833
10.	869	+	598	=	1.467

Oefening 2
1.	904	+	273	=	1.177
2.	925	+	366	=	1.291
3.	995	+	664	=	1.659
4.	978	+	629	=	1.607
5.	905	+	890	=	1.795
6.	392	+	387	=	779
7.	897	+	377	=	1.274
8.	854	+	511	=	1.365
9.	934	+	618	=	1.552
10.	850	+	610	=	1.460

Oefening 3
1.	962	+	330	=	1.292
2.	640	+	558	=	1.198
3.	962	+	945	=	1.907
4.	921	+	200	=	1.121
5.	987	+	759	=	1.746
6.	592	+	545	=	1.137
7.	929	+	522	=	1.451
8.	922	+	466	=	1.388
9.	934	+	261	=	1.195
10.	756	+	591	=	1.347

Oefening 4
1.	810	+	300	=	1.110
2.	887	+	592	=	1.479
3.	492	+	246	=	738
4.	541	+	445	=	986
5.	641	+	569	=	1.210
6.	779	+	676	=	1.455
7.	892	+	519	=	1.411
8.	952	+	407	=	1.359
9.	965	+	765	=	1.730
10.	877	+	322	=	1.199