Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	533	+		=	884
2.	996	+		=	1.389
3.	500	+		=	927
4.	766	+		=	1.477
5.	676	+		=	1.121
6.	661	+		=	939
7.	837	+		=	1.482
8.	994	+		=	1.670
9.	822	+		=	1.130
10.	946	+		=	1.377

Oefening 2
1.	934	+		=	1.519
2.	826	+		=	1.338
3.	645	+		=	870
4.	581	+		=	997
5.	573	+		=	1.077
6.	855	+		=	1.626
7.	828	+		=	1.281
8.	959	+		=	1.557
9.	856	+		=	1.554
10.	942	+		=	1.419

Oefening 3
1.	764	+		=	1.231
2.	330	+		=	642
3.	798	+		=	1.167
4.	984	+		=	1.302
5.	800	+		=	1.486
6.	927	+		=	1.842
7.	605	+		=	881
8.	892	+		=	1.201
9.	677	+		=	1.197
10.	683	+		=	1.310

Oefening 4
1.	509	+		=	942
2.	977	+		=	1.655
3.	361	+		=	654
4.	483	+		=	877
5.	495	+		=	701
6.	821	+		=	1.577
7.	504	+		=	969
8.	949	+		=	1.641
9.	655	+		=	984
10.	840	+		=	1.092

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	533	+	351	=	884
2.	996	+	393	=	1.389
3.	500	+	427	=	927
4.	766	+	711	=	1.477
5.	676	+	445	=	1.121
6.	661	+	278	=	939
7.	837	+	645	=	1.482
8.	994	+	676	=	1.670
9.	822	+	308	=	1.130
10.	946	+	431	=	1.377

Oefening 2
1.	934	+	585	=	1.519
2.	826	+	512	=	1.338
3.	645	+	225	=	870
4.	581	+	416	=	997
5.	573	+	504	=	1.077
6.	855	+	771	=	1.626
7.	828	+	453	=	1.281
8.	959	+	598	=	1.557
9.	856	+	698	=	1.554
10.	942	+	477	=	1.419

Oefening 3
1.	764	+	467	=	1.231
2.	330	+	312	=	642
3.	798	+	369	=	1.167
4.	984	+	318	=	1.302
5.	800	+	686	=	1.486
6.	927	+	915	=	1.842
7.	605	+	276	=	881
8.	892	+	309	=	1.201
9.	677	+	520	=	1.197
10.	683	+	627	=	1.310

Oefening 4
1.	509	+	433	=	942
2.	977	+	678	=	1.655
3.	361	+	293	=	654
4.	483	+	394	=	877
5.	495	+	206	=	701
6.	821	+	756	=	1.577
7.	504	+	465	=	969
8.	949	+	692	=	1.641
9.	655	+	329	=	984
10.	840	+	252	=	1.092