Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	456	+		=	819
2.	676	+		=	1.053
3.	644	+		=	1.169
4.	468	+		=	843
5.	942	+		=	1.826
6.	758	+		=	984
7.	413	+		=	655
8.	263	+		=	499
9.	762	+		=	1.018
10.	292	+		=	579

Oefening 2
1.	867	+		=	1.174
2.	973	+		=	1.260
3.	920	+		=	1.615
4.	502	+		=	741
5.	529	+		=	834
6.	927	+		=	1.530
7.	881	+		=	1.661
8.	550	+		=	1.061
9.	280	+		=	551
10.	992	+		=	1.209

Oefening 3
1.	547	+		=	777
2.	887	+		=	1.707
3.	428	+		=	851
4.	459	+		=	679
5.	657	+		=	1.277
6.	734	+		=	1.313
7.	473	+		=	820
8.	945	+		=	1.617
9.	485	+		=	737
10.	922	+		=	1.205

Oefening 4
1.	964	+		=	1.240
2.	712	+		=	1.364
3.	887	+		=	1.687
4.	257	+		=	476
5.	722	+		=	1.009
6.	565	+		=	1.013
7.	683	+		=	904
8.	661	+		=	1.103
9.	408	+		=	704
10.	758	+		=	1.234

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	456	+	363	=	819
2.	676	+	377	=	1.053
3.	644	+	525	=	1.169
4.	468	+	375	=	843
5.	942	+	884	=	1.826
6.	758	+	226	=	984
7.	413	+	242	=	655
8.	263	+	236	=	499
9.	762	+	256	=	1.018
10.	292	+	287	=	579

Oefening 2
1.	867	+	307	=	1.174
2.	973	+	287	=	1.260
3.	920	+	695	=	1.615
4.	502	+	239	=	741
5.	529	+	305	=	834
6.	927	+	603	=	1.530
7.	881	+	780	=	1.661
8.	550	+	511	=	1.061
9.	280	+	271	=	551
10.	992	+	217	=	1.209

Oefening 3
1.	547	+	230	=	777
2.	887	+	820	=	1.707
3.	428	+	423	=	851
4.	459	+	220	=	679
5.	657	+	620	=	1.277
6.	734	+	579	=	1.313
7.	473	+	347	=	820
8.	945	+	672	=	1.617
9.	485	+	252	=	737
10.	922	+	283	=	1.205

Oefening 4
1.	964	+	276	=	1.240
2.	712	+	652	=	1.364
3.	887	+	800	=	1.687
4.	257	+	219	=	476
5.	722	+	287	=	1.009
6.	565	+	448	=	1.013
7.	683	+	221	=	904
8.	661	+	442	=	1.103
9.	408	+	296	=	704
10.	758	+	476	=	1.234