Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	813	+		=	1.129
2.	833	+		=	1.264
3.	493	+		=	713
4.	621	+		=	1.020
5.	684	+		=	962
6.	778	+		=	1.229
7.	727	+		=	1.306
8.	959	+		=	1.678
9.	926	+		=	1.331
10.	896	+		=	1.623

Oefening 2
1.	897	+		=	1.570
2.	950	+		=	1.702
3.	740	+		=	1.073
4.	865	+		=	1.709
5.	661	+		=	1.124
6.	774	+		=	1.153
7.	547	+		=	1.084
8.	818	+		=	1.258
9.	830	+		=	1.107
10.	785	+		=	1.076

Oefening 3
1.	426	+		=	783
2.	488	+		=	942
3.	744	+		=	1.433
4.	856	+		=	1.179
5.	846	+		=	1.611
6.	944	+		=	1.671
7.	947	+		=	1.362
8.	654	+		=	1.132
9.	992	+		=	1.628
10.	867	+		=	1.320

Oefening 4
1.	555	+		=	833
2.	887	+		=	1.531
3.	648	+		=	887
4.	993	+		=	1.276
5.	779	+		=	1.407
6.	268	+		=	501
7.	871	+		=	1.608
8.	422	+		=	809
9.	945	+		=	1.529
10.	821	+		=	1.305

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	813	+	316	=	1.129
2.	833	+	431	=	1.264
3.	493	+	220	=	713
4.	621	+	399	=	1.020
5.	684	+	278	=	962
6.	778	+	451	=	1.229
7.	727	+	579	=	1.306
8.	959	+	719	=	1.678
9.	926	+	405	=	1.331
10.	896	+	727	=	1.623

Oefening 2
1.	897	+	673	=	1.570
2.	950	+	752	=	1.702
3.	740	+	333	=	1.073
4.	865	+	844	=	1.709
5.	661	+	463	=	1.124
6.	774	+	379	=	1.153
7.	547	+	537	=	1.084
8.	818	+	440	=	1.258
9.	830	+	277	=	1.107
10.	785	+	291	=	1.076

Oefening 3
1.	426	+	357	=	783
2.	488	+	454	=	942
3.	744	+	689	=	1.433
4.	856	+	323	=	1.179
5.	846	+	765	=	1.611
6.	944	+	727	=	1.671
7.	947	+	415	=	1.362
8.	654	+	478	=	1.132
9.	992	+	636	=	1.628
10.	867	+	453	=	1.320

Oefening 4
1.	555	+	278	=	833
2.	887	+	644	=	1.531
3.	648	+	239	=	887
4.	993	+	283	=	1.276
5.	779	+	628	=	1.407
6.	268	+	233	=	501
7.	871	+	737	=	1.608
8.	422	+	387	=	809
9.	945	+	584	=	1.529
10.	821	+	484	=	1.305