Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	912	+		=	1.356
2.	865	+		=	1.121
3.	885	+		=	1.363
4.	758	+		=	1.365
5.	720	+		=	928
6.	774	+		=	1.008
7.	454	+		=	677
8.	988	+		=	1.540
9.	345	+		=	566
10.	586	+		=	939

Oefening 2
1.	873	+		=	1.468
2.	375	+		=	630
3.	828	+		=	1.214
4.	891	+		=	1.274
5.	934	+		=	1.478
6.	794	+		=	1.487
7.	337	+		=	594
8.	860	+		=	1.117
9.	677	+		=	1.127
10.	726	+		=	1.400

Oefening 3
1.	449	+		=	772
2.	964	+		=	1.658
3.	936	+		=	1.446
4.	834	+		=	1.081
5.	533	+		=	911
6.	549	+		=	1.051
7.	898	+		=	1.450
8.	388	+		=	737
9.	801	+		=	1.195
10.	965	+		=	1.921

Oefening 4
1.	732	+		=	1.271
2.	530	+		=	985
3.	776	+		=	1.235
4.	945	+		=	1.592
5.	671	+		=	1.061
6.	863	+		=	1.497
7.	439	+		=	877
8.	920	+		=	1.833
9.	970	+		=	1.741
10.	940	+		=	1.808

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	912	+	444	=	1.356
2.	865	+	256	=	1.121
3.	885	+	478	=	1.363
4.	758	+	607	=	1.365
5.	720	+	208	=	928
6.	774	+	234	=	1.008
7.	454	+	223	=	677
8.	988	+	552	=	1.540
9.	345	+	221	=	566
10.	586	+	353	=	939

Oefening 2
1.	873	+	595	=	1.468
2.	375	+	255	=	630
3.	828	+	386	=	1.214
4.	891	+	383	=	1.274
5.	934	+	544	=	1.478
6.	794	+	693	=	1.487
7.	337	+	257	=	594
8.	860	+	257	=	1.117
9.	677	+	450	=	1.127
10.	726	+	674	=	1.400

Oefening 3
1.	449	+	323	=	772
2.	964	+	694	=	1.658
3.	936	+	510	=	1.446
4.	834	+	247	=	1.081
5.	533	+	378	=	911
6.	549	+	502	=	1.051
7.	898	+	552	=	1.450
8.	388	+	349	=	737
9.	801	+	394	=	1.195
10.	965	+	956	=	1.921

Oefening 4
1.	732	+	539	=	1.271
2.	530	+	455	=	985
3.	776	+	459	=	1.235
4.	945	+	647	=	1.592
5.	671	+	390	=	1.061
6.	863	+	634	=	1.497
7.	439	+	438	=	877
8.	920	+	913	=	1.833
9.	970	+	771	=	1.741
10.	940	+	868	=	1.808