Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	530	+		=	1.045
2.	511	+		=	948
3.	1.000	+		=	1.351
4.	956	+		=	1.257
5.	514	+		=	988
6.	768	+		=	1.330
7.	657	+		=	1.033
8.	695	+		=	1.172
9.	816	+		=	1.499
10.	696	+		=	1.153

Oefening 2
1.	904	+		=	1.311
2.	462	+		=	801
3.	753	+		=	1.481
4.	671	+		=	950
5.	603	+		=	810
6.	766	+		=	1.283
7.	987	+		=	1.925
8.	398	+		=	751
9.	940	+		=	1.187
10.	528	+		=	981

Oefening 3
1.	826	+		=	1.107
2.	508	+		=	855
3.	504	+		=	743
4.	837	+		=	1.280
5.	784	+		=	1.019
6.	960	+		=	1.670
7.	753	+		=	1.181
8.	923	+		=	1.390
9.	942	+		=	1.738
10.	811	+		=	1.157

Oefening 4
1.	724	+		=	1.347
2.	954	+		=	1.227
3.	663	+		=	868
4.	938	+		=	1.731
5.	855	+		=	1.071
6.	800	+		=	1.364
7.	572	+		=	923
8.	940	+		=	1.366
9.	478	+		=	689
10.	523	+		=	1.028

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	530	+	515	=	1.045
2.	511	+	437	=	948
3.	1.000	+	351	=	1.351
4.	956	+	301	=	1.257
5.	514	+	474	=	988
6.	768	+	562	=	1.330
7.	657	+	376	=	1.033
8.	695	+	477	=	1.172
9.	816	+	683	=	1.499
10.	696	+	457	=	1.153

Oefening 2
1.	904	+	407	=	1.311
2.	462	+	339	=	801
3.	753	+	728	=	1.481
4.	671	+	279	=	950
5.	603	+	207	=	810
6.	766	+	517	=	1.283
7.	987	+	938	=	1.925
8.	398	+	353	=	751
9.	940	+	247	=	1.187
10.	528	+	453	=	981

Oefening 3
1.	826	+	281	=	1.107
2.	508	+	347	=	855
3.	504	+	239	=	743
4.	837	+	443	=	1.280
5.	784	+	235	=	1.019
6.	960	+	710	=	1.670
7.	753	+	428	=	1.181
8.	923	+	467	=	1.390
9.	942	+	796	=	1.738
10.	811	+	346	=	1.157

Oefening 4
1.	724	+	623	=	1.347
2.	954	+	273	=	1.227
3.	663	+	205	=	868
4.	938	+	793	=	1.731
5.	855	+	216	=	1.071
6.	800	+	564	=	1.364
7.	572	+	351	=	923
8.	940	+	426	=	1.366
9.	478	+	211	=	689
10.	523	+	505	=	1.028