Erbijsommen met vlekken tot en met 2.000

Erbijsommen

Oefening 1
1.	823	+		=	1.334
2.	846	+		=	1.104
3.	749	+		=	1.351
4.	313	+		=	529
5.	689	+		=	1.269
6.	835	+		=	1.367
7.	902	+		=	1.569
8.	995	+		=	1.264
9.	379	+		=	591
10.	972	+		=	1.781

Oefening 2
1.	980	+		=	1.818
2.	897	+		=	1.363
3.	931	+		=	1.455
4.	978	+		=	1.533
5.	892	+		=	1.435
6.	887	+		=	1.591
7.	971	+		=	1.942
8.	950	+		=	1.862
9.	569	+		=	1.069
10.	609	+		=	1.005

Oefening 3
1.	798	+		=	1.004
2.	913	+		=	1.544
3.	573	+		=	1.144
4.	310	+		=	602
5.	468	+		=	797
6.	560	+		=	1.075
7.	722	+		=	1.105
8.	804	+		=	1.068
9.	352	+		=	673
10.	925	+		=	1.632

Oefening 4
1.	714	+		=	1.223
2.	469	+		=	798
3.	595	+		=	986
4.	954	+		=	1.700
5.	364	+		=	566
6.	487	+		=	861
7.	404	+		=	621
8.	440	+		=	688
9.	588	+		=	790
10.	599	+		=	1.031

Erbijsommen met vlekken tot en met 2.000
| ANTWOORDEN

Erbijsommen

Oefening 1
1.	823	+	511	=	1.334
2.	846	+	258	=	1.104
3.	749	+	602	=	1.351
4.	313	+	216	=	529
5.	689	+	580	=	1.269
6.	835	+	532	=	1.367
7.	902	+	667	=	1.569
8.	995	+	269	=	1.264
9.	379	+	212	=	591
10.	972	+	809	=	1.781

Oefening 2
1.	980	+	838	=	1.818
2.	897	+	466	=	1.363
3.	931	+	524	=	1.455
4.	978	+	555	=	1.533
5.	892	+	543	=	1.435
6.	887	+	704	=	1.591
7.	971	+	971	=	1.942
8.	950	+	912	=	1.862
9.	569	+	500	=	1.069
10.	609	+	396	=	1.005

Oefening 3
1.	798	+	206	=	1.004
2.	913	+	631	=	1.544
3.	573	+	571	=	1.144
4.	310	+	292	=	602
5.	468	+	329	=	797
6.	560	+	515	=	1.075
7.	722	+	383	=	1.105
8.	804	+	264	=	1.068
9.	352	+	321	=	673
10.	925	+	707	=	1.632

Oefening 4
1.	714	+	509	=	1.223
2.	469	+	329	=	798
3.	595	+	391	=	986
4.	954	+	746	=	1.700
5.	364	+	202	=	566
6.	487	+	374	=	861
7.	404	+	217	=	621
8.	440	+	248	=	688
9.	588	+	202	=	790
10.	599	+	432	=	1.031