Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	851	+		=	1.099
2.	871	+		=	1.313
3.	512	+		=	781
4.	642	+		=	1.166
5.	976	+		=	1.515
6.	665	+		=	1.099
7.	739	+		=	1.257
8.	419	+		=	727
9.	478	+		=	866
10.	748	+		=	1.157

Oefening 2
1.	494	+		=	861
2.	943	+		=	1.767
3.	276	+		=	506
4.	959	+		=	1.792
5.	869	+		=	1.620
6.	877	+		=	1.513
7.	411	+		=	786
8.	815	+		=	1.116
9.	934	+		=	1.710
10.	746	+		=	1.133

Oefening 3
1.	558	+		=	816
2.	765	+		=	1.036
3.	668	+		=	1.268
4.	551	+		=	1.046
5.	209	+		=	415
6.	584	+		=	1.167
7.	405	+		=	695
8.	716	+		=	1.386
9.	898	+		=	1.501
10.	784	+		=	1.358

Oefening 4
1.	796	+		=	1.436
2.	845	+		=	1.560
3.	712	+		=	1.280
4.	787	+		=	1.225
5.	983	+		=	1.432
6.	434	+		=	786
7.	719	+		=	1.283
8.	827	+		=	1.028
9.	467	+		=	829
10.	691	+		=	1.360

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	851	+	248	=	1.099
2.	871	+	442	=	1.313
3.	512	+	269	=	781
4.	642	+	524	=	1.166
5.	976	+	539	=	1.515
6.	665	+	434	=	1.099
7.	739	+	518	=	1.257
8.	419	+	308	=	727
9.	478	+	388	=	866
10.	748	+	409	=	1.157

Oefening 2
1.	494	+	367	=	861
2.	943	+	824	=	1.767
3.	276	+	230	=	506
4.	959	+	833	=	1.792
5.	869	+	751	=	1.620
6.	877	+	636	=	1.513
7.	411	+	375	=	786
8.	815	+	301	=	1.116
9.	934	+	776	=	1.710
10.	746	+	387	=	1.133

Oefening 3
1.	558	+	258	=	816
2.	765	+	271	=	1.036
3.	668	+	600	=	1.268
4.	551	+	495	=	1.046
5.	209	+	206	=	415
6.	584	+	583	=	1.167
7.	405	+	290	=	695
8.	716	+	670	=	1.386
9.	898	+	603	=	1.501
10.	784	+	574	=	1.358

Oefening 4
1.	796	+	640	=	1.436
2.	845	+	715	=	1.560
3.	712	+	568	=	1.280
4.	787	+	438	=	1.225
5.	983	+	449	=	1.432
6.	434	+	352	=	786
7.	719	+	564	=	1.283
8.	827	+	201	=	1.028
9.	467	+	362	=	829
10.	691	+	669	=	1.360