Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	475	+		=	904
2.	868	+		=	1.730
3.	954	+		=	1.626
4.	965	+		=	1.368
5.	263	+		=	498
6.	732	+		=	1.128
7.	914	+		=	1.438
8.	905	+		=	1.213
9.	959	+		=	1.618
10.	972	+		=	1.490

Oefening 2
1.	800	+		=	1.309
2.	566	+		=	998
3.	914	+		=	1.725
4.	568	+		=	900
5.	442	+		=	730
6.	805	+		=	1.363
7.	690	+		=	1.298
8.	990	+		=	1.783
9.	874	+		=	1.643
10.	814	+		=	1.349

Oefening 3
1.	798	+		=	1.031
2.	821	+		=	1.144
3.	621	+		=	1.099
4.	836	+		=	1.243
5.	985	+		=	1.239
6.	816	+		=	1.219
7.	846	+		=	1.526
8.	556	+		=	1.068
9.	376	+		=	611
10.	907	+		=	1.622

Oefening 4
1.	823	+		=	1.088
2.	803	+		=	1.436
3.	849	+		=	1.534
4.	558	+		=	989
5.	430	+		=	631
6.	750	+		=	1.155
7.	515	+		=	765
8.	401	+		=	601
9.	932	+		=	1.750
10.	789	+		=	1.063

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	475	+	429	=	904
2.	868	+	862	=	1.730
3.	954	+	672	=	1.626
4.	965	+	403	=	1.368
5.	263	+	235	=	498
6.	732	+	396	=	1.128
7.	914	+	524	=	1.438
8.	905	+	308	=	1.213
9.	959	+	659	=	1.618
10.	972	+	518	=	1.490

Oefening 2
1.	800	+	509	=	1.309
2.	566	+	432	=	998
3.	914	+	811	=	1.725
4.	568	+	332	=	900
5.	442	+	288	=	730
6.	805	+	558	=	1.363
7.	690	+	608	=	1.298
8.	990	+	793	=	1.783
9.	874	+	769	=	1.643
10.	814	+	535	=	1.349

Oefening 3
1.	798	+	233	=	1.031
2.	821	+	323	=	1.144
3.	621	+	478	=	1.099
4.	836	+	407	=	1.243
5.	985	+	254	=	1.239
6.	816	+	403	=	1.219
7.	846	+	680	=	1.526
8.	556	+	512	=	1.068
9.	376	+	235	=	611
10.	907	+	715	=	1.622

Oefening 4
1.	823	+	265	=	1.088
2.	803	+	633	=	1.436
3.	849	+	685	=	1.534
4.	558	+	431	=	989
5.	430	+	201	=	631
6.	750	+	405	=	1.155
7.	515	+	250	=	765
8.	401	+	200	=	601
9.	932	+	818	=	1.750
10.	789	+	274	=	1.063