Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	598	+		=	985
2.	647	+		=	857
3.	897	+		=	1.123
4.	879	+		=	1.466
5.	694	+		=	1.195
6.	711	+		=	930
7.	251	+		=	490
8.	972	+		=	1.923
9.	675	+		=	971
10.	805	+		=	1.289

Oefening 2
1.	828	+		=	1.477
2.	891	+		=	1.232
3.	741	+		=	1.283
4.	883	+		=	1.749
5.	915	+		=	1.127
6.	950	+		=	1.373
7.	708	+		=	1.380
8.	923	+		=	1.551
9.	973	+		=	1.455
10.	739	+		=	1.307

Oefening 3
1.	495	+		=	851
2.	527	+		=	861
3.	971	+		=	1.433
4.	934	+		=	1.369
5.	942	+		=	1.485
6.	696	+		=	1.387
7.	949	+		=	1.375
8.	328	+		=	591
9.	558	+		=	894
10.	826	+		=	1.292

Oefening 4
1.	986	+		=	1.276
2.	418	+		=	645
3.	953	+		=	1.202
4.	774	+		=	1.342
5.	527	+		=	869
6.	939	+		=	1.726
7.	571	+		=	1.060
8.	823	+		=	1.307
9.	548	+		=	1.083
10.	761	+		=	1.020

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	598	+	387	=	985
2.	647	+	210	=	857
3.	897	+	226	=	1.123
4.	879	+	587	=	1.466
5.	694	+	501	=	1.195
6.	711	+	219	=	930
7.	251	+	239	=	490
8.	972	+	951	=	1.923
9.	675	+	296	=	971
10.	805	+	484	=	1.289

Oefening 2
1.	828	+	649	=	1.477
2.	891	+	341	=	1.232
3.	741	+	542	=	1.283
4.	883	+	866	=	1.749
5.	915	+	212	=	1.127
6.	950	+	423	=	1.373
7.	708	+	672	=	1.380
8.	923	+	628	=	1.551
9.	973	+	482	=	1.455
10.	739	+	568	=	1.307

Oefening 3
1.	495	+	356	=	851
2.	527	+	334	=	861
3.	971	+	462	=	1.433
4.	934	+	435	=	1.369
5.	942	+	543	=	1.485
6.	696	+	691	=	1.387
7.	949	+	426	=	1.375
8.	328	+	263	=	591
9.	558	+	336	=	894
10.	826	+	466	=	1.292

Oefening 4
1.	986	+	290	=	1.276
2.	418	+	227	=	645
3.	953	+	249	=	1.202
4.	774	+	568	=	1.342
5.	527	+	342	=	869
6.	939	+	787	=	1.726
7.	571	+	489	=	1.060
8.	823	+	484	=	1.307
9.	548	+	535	=	1.083
10.	761	+	259	=	1.020