Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	807	+		=	1.526
2.	449	+		=	730
3.	613	+		=	1.084
4.	765	+		=	1.097
5.	618	+		=	1.207
6.	950	+		=	1.442
7.	940	+		=	1.214
8.	613	+		=	1.218
9.	971	+		=	1.932
10.	966	+		=	1.342

Oefening 2
1.	520	+		=	757
2.	815	+		=	1.572
3.	780	+		=	1.458
4.	971	+		=	1.249
5.	527	+		=	786
6.	749	+		=	1.057
7.	882	+		=	1.303
8.	804	+		=	1.574
9.	673	+		=	1.039
10.	867	+		=	1.471

Oefening 3
1.	993	+		=	1.384
2.	830	+		=	1.279
3.	919	+		=	1.264
4.	591	+		=	954
5.	773	+		=	1.304
6.	614	+		=	938
7.	509	+		=	1.015
8.	876	+		=	1.280
9.	828	+		=	1.424
10.	955	+		=	1.563

Oefening 4
1.	611	+		=	1.076
2.	714	+		=	1.272
3.	760	+		=	1.457
4.	855	+		=	1.112
5.	799	+		=	1.579
6.	887	+		=	1.276
7.	592	+		=	967
8.	959	+		=	1.435
9.	805	+		=	1.573
10.	847	+		=	1.591

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	807	+	719	=	1.526
2.	449	+	281	=	730
3.	613	+	471	=	1.084
4.	765	+	332	=	1.097
5.	618	+	589	=	1.207
6.	950	+	492	=	1.442
7.	940	+	274	=	1.214
8.	613	+	605	=	1.218
9.	971	+	961	=	1.932
10.	966	+	376	=	1.342

Oefening 2
1.	520	+	237	=	757
2.	815	+	757	=	1.572
3.	780	+	678	=	1.458
4.	971	+	278	=	1.249
5.	527	+	259	=	786
6.	749	+	308	=	1.057
7.	882	+	421	=	1.303
8.	804	+	770	=	1.574
9.	673	+	366	=	1.039
10.	867	+	604	=	1.471

Oefening 3
1.	993	+	391	=	1.384
2.	830	+	449	=	1.279
3.	919	+	345	=	1.264
4.	591	+	363	=	954
5.	773	+	531	=	1.304
6.	614	+	324	=	938
7.	509	+	506	=	1.015
8.	876	+	404	=	1.280
9.	828	+	596	=	1.424
10.	955	+	608	=	1.563

Oefening 4
1.	611	+	465	=	1.076
2.	714	+	558	=	1.272
3.	760	+	697	=	1.457
4.	855	+	257	=	1.112
5.	799	+	780	=	1.579
6.	887	+	389	=	1.276
7.	592	+	375	=	967
8.	959	+	476	=	1.435
9.	805	+	768	=	1.573
10.	847	+	744	=	1.591