Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	901	+		=	1.534
2.	475	+		=	785
3.	952	+		=	1.603
4.	351	+		=	630
5.	803	+		=	1.197
6.	842	+		=	1.444
7.	456	+		=	751
8.	543	+		=	846
9.	685	+		=	1.309
10.	437	+		=	748

Oefening 2
1.	843	+		=	1.218
2.	616	+		=	868
3.	679	+		=	1.295
4.	426	+		=	822
5.	919	+		=	1.369
6.	555	+		=	1.074
7.	466	+		=	728
8.	466	+		=	930
9.	897	+		=	1.562
10.	676	+		=	1.344

Oefening 3
1.	447	+		=	744
2.	510	+		=	803
3.	921	+		=	1.661
4.	897	+		=	1.525
5.	809	+		=	1.027
6.	658	+		=	1.265
7.	620	+		=	951
8.	857	+		=	1.174
9.	995	+		=	1.215
10.	936	+		=	1.371

Oefening 4
1.	663	+		=	1.266
2.	539	+		=	933
3.	748	+		=	1.321
4.	835	+		=	1.626
5.	810	+		=	1.609
6.	892	+		=	1.607
7.	958	+		=	1.553
8.	685	+		=	1.079
9.	681	+		=	984
10.	589	+		=	862

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	901	+	633	=	1.534
2.	475	+	310	=	785
3.	952	+	651	=	1.603
4.	351	+	279	=	630
5.	803	+	394	=	1.197
6.	842	+	602	=	1.444
7.	456	+	295	=	751
8.	543	+	303	=	846
9.	685	+	624	=	1.309
10.	437	+	311	=	748

Oefening 2
1.	843	+	375	=	1.218
2.	616	+	252	=	868
3.	679	+	616	=	1.295
4.	426	+	396	=	822
5.	919	+	450	=	1.369
6.	555	+	519	=	1.074
7.	466	+	262	=	728
8.	466	+	464	=	930
9.	897	+	665	=	1.562
10.	676	+	668	=	1.344

Oefening 3
1.	447	+	297	=	744
2.	510	+	293	=	803
3.	921	+	740	=	1.661
4.	897	+	628	=	1.525
5.	809	+	218	=	1.027
6.	658	+	607	=	1.265
7.	620	+	331	=	951
8.	857	+	317	=	1.174
9.	995	+	220	=	1.215
10.	936	+	435	=	1.371

Oefening 4
1.	663	+	603	=	1.266
2.	539	+	394	=	933
3.	748	+	573	=	1.321
4.	835	+	791	=	1.626
5.	810	+	799	=	1.609
6.	892	+	715	=	1.607
7.	958	+	595	=	1.553
8.	685	+	394	=	1.079
9.	681	+	303	=	984
10.	589	+	273	=	862