Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	958	+		=	1.317
2.	874	+		=	1.293
3.	950	+		=	1.555
4.	476	+		=	812
5.	849	+		=	1.488
6.	981	+		=	1.571
7.	761	+		=	1.471
8.	763	+		=	1.101
9.	732	+		=	1.007
10.	938	+		=	1.292

Oefening 2
1.	937	+		=	1.438
2.	891	+		=	1.304
3.	486	+		=	790
4.	537	+		=	895
5.	952	+		=	1.682
6.	944	+		=	1.802
7.	324	+		=	623
8.	471	+		=	811
9.	641	+		=	908
10.	561	+		=	773

Oefening 3
1.	716	+		=	1.348
2.	413	+		=	631
3.	593	+		=	859
4.	838	+		=	1.562
5.	744	+		=	1.030
6.	765	+		=	1.035
7.	499	+		=	784
8.	691	+		=	1.193
9.	698	+		=	1.285
10.	528	+		=	779

Oefening 4
1.	550	+		=	894
2.	612	+		=	1.001
3.	942	+		=	1.431
4.	965	+		=	1.555
5.	710	+		=	913
6.	901	+		=	1.156
7.	887	+		=	1.671
8.	656	+		=	1.030
9.	335	+		=	605
10.	504	+		=	834

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	958	+	359	=	1.317
2.	874	+	419	=	1.293
3.	950	+	605	=	1.555
4.	476	+	336	=	812
5.	849	+	639	=	1.488
6.	981	+	590	=	1.571
7.	761	+	710	=	1.471
8.	763	+	338	=	1.101
9.	732	+	275	=	1.007
10.	938	+	354	=	1.292

Oefening 2
1.	937	+	501	=	1.438
2.	891	+	413	=	1.304
3.	486	+	304	=	790
4.	537	+	358	=	895
5.	952	+	730	=	1.682
6.	944	+	858	=	1.802
7.	324	+	299	=	623
8.	471	+	340	=	811
9.	641	+	267	=	908
10.	561	+	212	=	773

Oefening 3
1.	716	+	632	=	1.348
2.	413	+	218	=	631
3.	593	+	266	=	859
4.	838	+	724	=	1.562
5.	744	+	286	=	1.030
6.	765	+	270	=	1.035
7.	499	+	285	=	784
8.	691	+	502	=	1.193
9.	698	+	587	=	1.285
10.	528	+	251	=	779

Oefening 4
1.	550	+	344	=	894
2.	612	+	389	=	1.001
3.	942	+	489	=	1.431
4.	965	+	590	=	1.555
5.	710	+	203	=	913
6.	901	+	255	=	1.156
7.	887	+	784	=	1.671
8.	656	+	374	=	1.030
9.	335	+	270	=	605
10.	504	+	330	=	834