Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	671	+		=	1.082
2.	264	+		=	515
3.	897	+		=	1.170
4.	452	+		=	815
5.	841	+		=	1.232
6.	926	+		=	1.631
7.	843	+		=	1.416
8.	961	+		=	1.288
9.	997	+		=	1.371
10.	887	+		=	1.434

Oefening 2
1.	461	+		=	742
2.	580	+		=	876
3.	973	+		=	1.292
4.	419	+		=	740
5.	673	+		=	1.195
6.	928	+		=	1.367
7.	667	+		=	908
8.	498	+		=	852
9.	982	+		=	1.773
10.	901	+		=	1.696

Oefening 3
1.	842	+		=	1.074
2.	834	+		=	1.539
3.	709	+		=	1.268
4.	841	+		=	1.291
5.	840	+		=	1.095
6.	798	+		=	1.355
7.	745	+		=	1.177
8.	925	+		=	1.321
9.	469	+		=	736
10.	756	+		=	1.439

Oefening 4
1.	583	+		=	819
2.	498	+		=	851
3.	799	+		=	1.128
4.	696	+		=	1.191
5.	676	+		=	1.184
6.	857	+		=	1.220
7.	464	+		=	841
8.	410	+		=	612
9.	892	+		=	1.219
10.	889	+		=	1.211

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	671	+	411	=	1.082
2.	264	+	251	=	515
3.	897	+	273	=	1.170
4.	452	+	363	=	815
5.	841	+	391	=	1.232
6.	926	+	705	=	1.631
7.	843	+	573	=	1.416
8.	961	+	327	=	1.288
9.	997	+	374	=	1.371
10.	887	+	547	=	1.434

Oefening 2
1.	461	+	281	=	742
2.	580	+	296	=	876
3.	973	+	319	=	1.292
4.	419	+	321	=	740
5.	673	+	522	=	1.195
6.	928	+	439	=	1.367
7.	667	+	241	=	908
8.	498	+	354	=	852
9.	982	+	791	=	1.773
10.	901	+	795	=	1.696

Oefening 3
1.	842	+	232	=	1.074
2.	834	+	705	=	1.539
3.	709	+	559	=	1.268
4.	841	+	450	=	1.291
5.	840	+	255	=	1.095
6.	798	+	557	=	1.355
7.	745	+	432	=	1.177
8.	925	+	396	=	1.321
9.	469	+	267	=	736
10.	756	+	683	=	1.439

Oefening 4
1.	583	+	236	=	819
2.	498	+	353	=	851
3.	799	+	329	=	1.128
4.	696	+	495	=	1.191
5.	676	+	508	=	1.184
6.	857	+	363	=	1.220
7.	464	+	377	=	841
8.	410	+	202	=	612
9.	892	+	327	=	1.219
10.	889	+	322	=	1.211