Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	852	+		=	1.315
2.	655	+		=	1.187
3.	998	+		=	1.299
4.	474	+		=	697
5.	698	+		=	1.034
6.	493	+		=	822
7.	797	+		=	1.275
8.	493	+		=	860
9.	764	+		=	1.326
10.	922	+		=	1.782

Oefening 2
1.	630	+		=	863
2.	820	+		=	1.101
3.	489	+		=	778
4.	986	+		=	1.744
5.	970	+		=	1.529
6.	663	+		=	1.112
7.	622	+		=	1.196
8.	826	+		=	1.521
9.	801	+		=	1.028
10.	577	+		=	1.106

Oefening 3
1.	865	+		=	1.290
2.	670	+		=	997
3.	899	+		=	1.209
4.	895	+		=	1.329
5.	886	+		=	1.772
6.	976	+		=	1.392
7.	803	+		=	1.206
8.	959	+		=	1.333
9.	592	+		=	801
10.	813	+		=	1.586

Oefening 4
1.	726	+		=	1.217
2.	759	+		=	1.304
3.	750	+		=	1.349
4.	942	+		=	1.172
5.	762	+		=	1.381
6.	460	+		=	688
7.	567	+		=	1.082
8.	954	+		=	1.815
9.	242	+		=	463
10.	930	+		=	1.662

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	852	+	463	=	1.315
2.	655	+	532	=	1.187
3.	998	+	301	=	1.299
4.	474	+	223	=	697
5.	698	+	336	=	1.034
6.	493	+	329	=	822
7.	797	+	478	=	1.275
8.	493	+	367	=	860
9.	764	+	562	=	1.326
10.	922	+	860	=	1.782

Oefening 2
1.	630	+	233	=	863
2.	820	+	281	=	1.101
3.	489	+	289	=	778
4.	986	+	758	=	1.744
5.	970	+	559	=	1.529
6.	663	+	449	=	1.112
7.	622	+	574	=	1.196
8.	826	+	695	=	1.521
9.	801	+	227	=	1.028
10.	577	+	529	=	1.106

Oefening 3
1.	865	+	425	=	1.290
2.	670	+	327	=	997
3.	899	+	310	=	1.209
4.	895	+	434	=	1.329
5.	886	+	886	=	1.772
6.	976	+	416	=	1.392
7.	803	+	403	=	1.206
8.	959	+	374	=	1.333
9.	592	+	209	=	801
10.	813	+	773	=	1.586

Oefening 4
1.	726	+	491	=	1.217
2.	759	+	545	=	1.304
3.	750	+	599	=	1.349
4.	942	+	230	=	1.172
5.	762	+	619	=	1.381
6.	460	+	228	=	688
7.	567	+	515	=	1.082
8.	954	+	861	=	1.815
9.	242	+	221	=	463
10.	930	+	732	=	1.662