Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	659	+		=	1.254
2.	903	+		=	1.671
3.	560	+		=	1.095
4.	506	+		=	968
5.	800	+		=	1.413
6.	781	+		=	1.099
7.	743	+		=	1.009
8.	407	+		=	627
9.	800	+		=	1.383
10.	795	+		=	1.426

Oefening 2
1.	642	+		=	971
2.	440	+		=	792
3.	851	+		=	1.599
4.	718	+		=	1.275
5.	904	+		=	1.756
6.	831	+		=	1.033
7.	974	+		=	1.221
8.	817	+		=	1.623
9.	624	+		=	956
10.	988	+		=	1.438

Oefening 3
1.	333	+		=	637
2.	820	+		=	1.639
3.	945	+		=	1.654
4.	660	+		=	960
5.	835	+		=	1.255
6.	628	+		=	1.082
7.	758	+		=	1.055
8.	549	+		=	754
9.	664	+		=	1.205
10.	919	+		=	1.711

Oefening 4
1.	439	+		=	721
2.	720	+		=	937
3.	959	+		=	1.413
4.	957	+		=	1.823
5.	939	+		=	1.412
6.	487	+		=	716
7.	964	+		=	1.194
8.	707	+		=	927
9.	593	+		=	1.095
10.	659	+		=	1.095

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	659	+	595	=	1.254
2.	903	+	768	=	1.671
3.	560	+	535	=	1.095
4.	506	+	462	=	968
5.	800	+	613	=	1.413
6.	781	+	318	=	1.099
7.	743	+	266	=	1.009
8.	407	+	220	=	627
9.	800	+	583	=	1.383
10.	795	+	631	=	1.426

Oefening 2
1.	642	+	329	=	971
2.	440	+	352	=	792
3.	851	+	748	=	1.599
4.	718	+	557	=	1.275
5.	904	+	852	=	1.756
6.	831	+	202	=	1.033
7.	974	+	247	=	1.221
8.	817	+	806	=	1.623
9.	624	+	332	=	956
10.	988	+	450	=	1.438

Oefening 3
1.	333	+	304	=	637
2.	820	+	819	=	1.639
3.	945	+	709	=	1.654
4.	660	+	300	=	960
5.	835	+	420	=	1.255
6.	628	+	454	=	1.082
7.	758	+	297	=	1.055
8.	549	+	205	=	754
9.	664	+	541	=	1.205
10.	919	+	792	=	1.711

Oefening 4
1.	439	+	282	=	721
2.	720	+	217	=	937
3.	959	+	454	=	1.413
4.	957	+	866	=	1.823
5.	939	+	473	=	1.412
6.	487	+	229	=	716
7.	964	+	230	=	1.194
8.	707	+	220	=	927
9.	593	+	502	=	1.095
10.	659	+	436	=	1.095