Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	905	+		=	1.383
2.	996	+		=	1.781
3.	830	+		=	1.052
4.	540	+		=	854
5.	729	+		=	1.443
6.	903	+		=	1.579
7.	798	+		=	1.168
8.	952	+		=	1.811
9.	703	+		=	1.233
10.	840	+		=	1.603

Oefening 2
1.	624	+		=	1.001
2.	972	+		=	1.366
3.	551	+		=	881
4.	798	+		=	1.379
5.	985	+		=	1.683
6.	868	+		=	1.682
7.	860	+		=	1.374
8.	877	+		=	1.609
9.	580	+		=	910
10.	530	+		=	870

Oefening 3
1.	879	+		=	1.105
2.	757	+		=	1.357
3.	425	+		=	839
4.	546	+		=	913
5.	912	+		=	1.635
6.	678	+		=	1.208
7.	850	+		=	1.101
8.	435	+		=	805
9.	932	+		=	1.460
10.	926	+		=	1.279

Oefening 4
1.	718	+		=	1.312
2.	731	+		=	1.386
3.	975	+		=	1.552
4.	885	+		=	1.272
5.	942	+		=	1.185
6.	346	+		=	659
7.	642	+		=	964
8.	270	+		=	516
9.	467	+		=	708
10.	904	+		=	1.331

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	905	+	478	=	1.383
2.	996	+	785	=	1.781
3.	830	+	222	=	1.052
4.	540	+	314	=	854
5.	729	+	714	=	1.443
6.	903	+	676	=	1.579
7.	798	+	370	=	1.168
8.	952	+	859	=	1.811
9.	703	+	530	=	1.233
10.	840	+	763	=	1.603

Oefening 2
1.	624	+	377	=	1.001
2.	972	+	394	=	1.366
3.	551	+	330	=	881
4.	798	+	581	=	1.379
5.	985	+	698	=	1.683
6.	868	+	814	=	1.682
7.	860	+	514	=	1.374
8.	877	+	732	=	1.609
9.	580	+	330	=	910
10.	530	+	340	=	870

Oefening 3
1.	879	+	226	=	1.105
2.	757	+	600	=	1.357
3.	425	+	414	=	839
4.	546	+	367	=	913
5.	912	+	723	=	1.635
6.	678	+	530	=	1.208
7.	850	+	251	=	1.101
8.	435	+	370	=	805
9.	932	+	528	=	1.460
10.	926	+	353	=	1.279

Oefening 4
1.	718	+	594	=	1.312
2.	731	+	655	=	1.386
3.	975	+	577	=	1.552
4.	885	+	387	=	1.272
5.	942	+	243	=	1.185
6.	346	+	313	=	659
7.	642	+	322	=	964
8.	270	+	246	=	516
9.	467	+	241	=	708
10.	904	+	427	=	1.331