Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	408	+		=	674
2.	427	+		=	770
3.	947	+		=	1.207
4.	636	+		=	1.095
5.	941	+		=	1.262
6.	606	+		=	979
7.	845	+		=	1.190
8.	698	+		=	898
9.	323	+		=	539
10.	953	+		=	1.817

Oefening 2
1.	938	+		=	1.450
2.	635	+		=	981
3.	823	+		=	1.526
4.	554	+		=	874
5.	799	+		=	1.593
6.	992	+		=	1.273
7.	377	+		=	647
8.	699	+		=	1.342
9.	831	+		=	1.553
10.	838	+		=	1.607

Oefening 3
1.	820	+		=	1.456
2.	639	+		=	855
3.	341	+		=	626
4.	347	+		=	604
5.	798	+		=	1.353
6.	568	+		=	801
7.	869	+		=	1.566
8.	419	+		=	683
9.	891	+		=	1.302
10.	735	+		=	1.192

Oefening 4
1.	333	+		=	631
2.	796	+		=	1.149
3.	502	+		=	982
4.	696	+		=	1.282
5.	900	+		=	1.511
6.	590	+		=	853
7.	832	+		=	1.615
8.	840	+		=	1.607
9.	855	+		=	1.608
10.	349	+		=	640

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	408	+	266	=	674
2.	427	+	343	=	770
3.	947	+	260	=	1.207
4.	636	+	459	=	1.095
5.	941	+	321	=	1.262
6.	606	+	373	=	979
7.	845	+	345	=	1.190
8.	698	+	200	=	898
9.	323	+	216	=	539
10.	953	+	864	=	1.817

Oefening 2
1.	938	+	512	=	1.450
2.	635	+	346	=	981
3.	823	+	703	=	1.526
4.	554	+	320	=	874
5.	799	+	794	=	1.593
6.	992	+	281	=	1.273
7.	377	+	270	=	647
8.	699	+	643	=	1.342
9.	831	+	722	=	1.553
10.	838	+	769	=	1.607

Oefening 3
1.	820	+	636	=	1.456
2.	639	+	216	=	855
3.	341	+	285	=	626
4.	347	+	257	=	604
5.	798	+	555	=	1.353
6.	568	+	233	=	801
7.	869	+	697	=	1.566
8.	419	+	264	=	683
9.	891	+	411	=	1.302
10.	735	+	457	=	1.192

Oefening 4
1.	333	+	298	=	631
2.	796	+	353	=	1.149
3.	502	+	480	=	982
4.	696	+	586	=	1.282
5.	900	+	611	=	1.511
6.	590	+	263	=	853
7.	832	+	783	=	1.615
8.	840	+	767	=	1.607
9.	855	+	753	=	1.608
10.	349	+	291	=	640