Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	478	+		=	765
2.	985	+		=	1.811
3.	986	+		=	1.247
4.	699	+		=	941
5.	953	+		=	1.443
6.	990	+		=	1.492
7.	938	+		=	1.467
8.	997	+		=	1.238
9.	890	+		=	1.173
10.	714	+		=	1.164

Oefening 2
1.	925	+		=	1.345
2.	712	+		=	919
3.	328	+		=	562
4.	933	+		=	1.303
5.	844	+		=	1.468
6.	608	+		=	1.001
7.	569	+		=	855
8.	818	+		=	1.625
9.	856	+		=	1.494
10.	859	+		=	1.211

Oefening 3
1.	949	+		=	1.875
2.	492	+		=	736
3.	445	+		=	752
4.	950	+		=	1.169
5.	561	+		=	1.103
6.	853	+		=	1.117
7.	591	+		=	869
8.	671	+		=	1.258
9.	895	+		=	1.249
10.	715	+		=	1.169

Oefening 4
1.	723	+		=	1.101
2.	958	+		=	1.767
3.	833	+		=	1.247
4.	749	+		=	1.470
5.	610	+		=	824
6.	788	+		=	998
7.	863	+		=	1.106
8.	989	+		=	1.554
9.	848	+		=	1.575
10.	969	+		=	1.512

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	478	+	287	=	765
2.	985	+	826	=	1.811
3.	986	+	261	=	1.247
4.	699	+	242	=	941
5.	953	+	490	=	1.443
6.	990	+	502	=	1.492
7.	938	+	529	=	1.467
8.	997	+	241	=	1.238
9.	890	+	283	=	1.173
10.	714	+	450	=	1.164

Oefening 2
1.	925	+	420	=	1.345
2.	712	+	207	=	919
3.	328	+	234	=	562
4.	933	+	370	=	1.303
5.	844	+	624	=	1.468
6.	608	+	393	=	1.001
7.	569	+	286	=	855
8.	818	+	807	=	1.625
9.	856	+	638	=	1.494
10.	859	+	352	=	1.211

Oefening 3
1.	949	+	926	=	1.875
2.	492	+	244	=	736
3.	445	+	307	=	752
4.	950	+	219	=	1.169
5.	561	+	542	=	1.103
6.	853	+	264	=	1.117
7.	591	+	278	=	869
8.	671	+	587	=	1.258
9.	895	+	354	=	1.249
10.	715	+	454	=	1.169

Oefening 4
1.	723	+	378	=	1.101
2.	958	+	809	=	1.767
3.	833	+	414	=	1.247
4.	749	+	721	=	1.470
5.	610	+	214	=	824
6.	788	+	210	=	998
7.	863	+	243	=	1.106
8.	989	+	565	=	1.554
9.	848	+	727	=	1.575
10.	969	+	543	=	1.512