Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	678	+		=	977
2.	588	+		=	954
3.	426	+		=	794
4.	370	+		=	730
5.	613	+		=	1.177
6.	986	+		=	1.864
7.	934	+		=	1.386
8.	941	+		=	1.614
9.	988	+		=	1.339
10.	732	+		=	1.325

Oefening 2
1.	950	+		=	1.302
2.	868	+		=	1.325
3.	867	+		=	1.555
4.	899	+		=	1.386
5.	634	+		=	1.129
6.	891	+		=	1.657
7.	939	+		=	1.626
8.	812	+		=	1.557
9.	962	+		=	1.829
10.	934	+		=	1.786

Oefening 3
1.	275	+		=	475
2.	658	+		=	1.111
3.	965	+		=	1.853
4.	880	+		=	1.662
5.	412	+		=	643
6.	940	+		=	1.317
7.	765	+		=	1.178
8.	885	+		=	1.314
9.	894	+		=	1.649
10.	716	+		=	1.179

Oefening 4
1.	824	+		=	1.455
2.	1.000	+		=	1.597
3.	931	+		=	1.136
4.	670	+		=	995
5.	312	+		=	595
6.	695	+		=	1.076
7.	689	+		=	1.372
8.	919	+		=	1.656
9.	856	+		=	1.343
10.	800	+		=	1.487

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	678	+	299	=	977
2.	588	+	366	=	954
3.	426	+	368	=	794
4.	370	+	360	=	730
5.	613	+	564	=	1.177
6.	986	+	878	=	1.864
7.	934	+	452	=	1.386
8.	941	+	673	=	1.614
9.	988	+	351	=	1.339
10.	732	+	593	=	1.325

Oefening 2
1.	950	+	352	=	1.302
2.	868	+	457	=	1.325
3.	867	+	688	=	1.555
4.	899	+	487	=	1.386
5.	634	+	495	=	1.129
6.	891	+	766	=	1.657
7.	939	+	687	=	1.626
8.	812	+	745	=	1.557
9.	962	+	867	=	1.829
10.	934	+	852	=	1.786

Oefening 3
1.	275	+	200	=	475
2.	658	+	453	=	1.111
3.	965	+	888	=	1.853
4.	880	+	782	=	1.662
5.	412	+	231	=	643
6.	940	+	377	=	1.317
7.	765	+	413	=	1.178
8.	885	+	429	=	1.314
9.	894	+	755	=	1.649
10.	716	+	463	=	1.179

Oefening 4
1.	824	+	631	=	1.455
2.	1.000	+	597	=	1.597
3.	931	+	205	=	1.136
4.	670	+	325	=	995
5.	312	+	283	=	595
6.	695	+	381	=	1.076
7.	689	+	683	=	1.372
8.	919	+	737	=	1.656
9.	856	+	487	=	1.343
10.	800	+	687	=	1.487