Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	627	+		=	939
2.	847	+		=	1.687
3.	840	+		=	1.109
4.	399	+		=	742
5.	999	+		=	1.540
6.	854	+		=	1.646
7.	864	+		=	1.584
8.	839	+		=	1.165
9.	878	+		=	1.200
10.	942	+		=	1.454

Oefening 2
1.	936	+		=	1.255
2.	506	+		=	852
3.	511	+		=	984
4.	520	+		=	751
5.	926	+		=	1.809
6.	954	+		=	1.604
7.	915	+		=	1.189
8.	685	+		=	1.145
9.	906	+		=	1.726
10.	707	+		=	1.362

Oefening 3
1.	923	+		=	1.283
2.	983	+		=	1.360
3.	460	+		=	837
4.	806	+		=	1.090
5.	917	+		=	1.123
6.	489	+		=	970
7.	740	+		=	1.158
8.	705	+		=	1.140
9.	620	+		=	1.072
10.	604	+		=	850

Oefening 4
1.	875	+		=	1.297
2.	870	+		=	1.587
3.	486	+		=	856
4.	851	+		=	1.665
5.	938	+		=	1.399
6.	769	+		=	990
7.	524	+		=	864
8.	710	+		=	950
9.	507	+		=	1.006
10.	870	+		=	1.160

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	627	+	312	=	939
2.	847	+	840	=	1.687
3.	840	+	269	=	1.109
4.	399	+	343	=	742
5.	999	+	541	=	1.540
6.	854	+	792	=	1.646
7.	864	+	720	=	1.584
8.	839	+	326	=	1.165
9.	878	+	322	=	1.200
10.	942	+	512	=	1.454

Oefening 2
1.	936	+	319	=	1.255
2.	506	+	346	=	852
3.	511	+	473	=	984
4.	520	+	231	=	751
5.	926	+	883	=	1.809
6.	954	+	650	=	1.604
7.	915	+	274	=	1.189
8.	685	+	460	=	1.145
9.	906	+	820	=	1.726
10.	707	+	655	=	1.362

Oefening 3
1.	923	+	360	=	1.283
2.	983	+	377	=	1.360
3.	460	+	377	=	837
4.	806	+	284	=	1.090
5.	917	+	206	=	1.123
6.	489	+	481	=	970
7.	740	+	418	=	1.158
8.	705	+	435	=	1.140
9.	620	+	452	=	1.072
10.	604	+	246	=	850

Oefening 4
1.	875	+	422	=	1.297
2.	870	+	717	=	1.587
3.	486	+	370	=	856
4.	851	+	814	=	1.665
5.	938	+	461	=	1.399
6.	769	+	221	=	990
7.	524	+	340	=	864
8.	710	+	240	=	950
9.	507	+	499	=	1.006
10.	870	+	290	=	1.160