Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	386	+		=	687
2.	285	+		=	504
3.	877	+		=	1.614
4.	874	+		=	1.642
5.	561	+		=	1.111
6.	931	+		=	1.571
7.	419	+		=	780
8.	953	+		=	1.420
9.	940	+		=	1.357
10.	678	+		=	1.305

Oefening 2
1.	873	+		=	1.286
2.	433	+		=	637
3.	977	+		=	1.899
4.	759	+		=	1.092
5.	835	+		=	1.600
6.	422	+		=	677
7.	674	+		=	1.149
8.	773	+		=	1.090
9.	517	+		=	958
10.	937	+		=	1.749

Oefening 3
1.	712	+		=	1.182
2.	965	+		=	1.929
3.	719	+		=	1.406
4.	897	+		=	1.121
5.	681	+		=	1.004
6.	875	+		=	1.490
7.	443	+		=	735
8.	523	+		=	1.021
9.	818	+		=	1.136
10.	781	+		=	1.393

Oefening 4
1.	887	+		=	1.412
2.	909	+		=	1.447
3.	569	+		=	960
4.	691	+		=	1.338
5.	619	+		=	886
6.	883	+		=	1.391
7.	595	+		=	941
8.	647	+		=	1.087
9.	452	+		=	895
10.	677	+		=	1.029

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	386	+	301	=	687
2.	285	+	219	=	504
3.	877	+	737	=	1.614
4.	874	+	768	=	1.642
5.	561	+	550	=	1.111
6.	931	+	640	=	1.571
7.	419	+	361	=	780
8.	953	+	467	=	1.420
9.	940	+	417	=	1.357
10.	678	+	627	=	1.305

Oefening 2
1.	873	+	413	=	1.286
2.	433	+	204	=	637
3.	977	+	922	=	1.899
4.	759	+	333	=	1.092
5.	835	+	765	=	1.600
6.	422	+	255	=	677
7.	674	+	475	=	1.149
8.	773	+	317	=	1.090
9.	517	+	441	=	958
10.	937	+	812	=	1.749

Oefening 3
1.	712	+	470	=	1.182
2.	965	+	964	=	1.929
3.	719	+	687	=	1.406
4.	897	+	224	=	1.121
5.	681	+	323	=	1.004
6.	875	+	615	=	1.490
7.	443	+	292	=	735
8.	523	+	498	=	1.021
9.	818	+	318	=	1.136
10.	781	+	612	=	1.393

Oefening 4
1.	887	+	525	=	1.412
2.	909	+	538	=	1.447
3.	569	+	391	=	960
4.	691	+	647	=	1.338
5.	619	+	267	=	886
6.	883	+	508	=	1.391
7.	595	+	346	=	941
8.	647	+	440	=	1.087
9.	452	+	443	=	895
10.	677	+	352	=	1.029